Home / 15,534.03-21,436.94-8,460.50

Finding the Fourth Proportional to 15,534.03, 21,436.94 and 8,460.50

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Solution

The fourth proportional to 15,534.03, 21,436.94 and 8,460.50 is: 11,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.03 : 21,436.94 = 8,460.50 : x
  2. Step 2: Convert to fraction form
    15,534.03/21,436.94 = 8,460.50/x
  3. Step 3: Cross multiply
    15,534.03x = 21,436.94 × 8,460.50
  4. Step 4: Simplify right side
    15,534.03x = 181,367,081.38
  5. Step 5: Solve for x
    x = 181,367,081.38/15,534.03
  6. Step 6: Final answer
    x = 11,675.47

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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.