Home / 12,519.41-17,275.60-7,482.62

Finding the Fourth Proportional to 12,519.41, 17,275.60 and 7,482.62

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Solution

The fourth proportional to 12,519.41, 17,275.60 and 7,482.62 is: 10,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.41 : 17,275.60 = 7,482.62 : x
  2. Step 2: Convert to fraction form
    12,519.41/17,275.60 = 7,482.62/x
  3. Step 3: Cross multiply
    12,519.41x = 17,275.60 × 7,482.62
  4. Step 4: Simplify right side
    12,519.41x = 129,266,774.55
  5. Step 5: Solve for x
    x = 129,266,774.55/12,519.41
  6. Step 6: Final answer
    x = 10,325.31

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.