Home / 12,496.07-17,246.09-7,190.77

Finding the Fourth Proportional to 12,496.07, 17,246.09 and 7,190.77

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Solution

The fourth proportional to 12,496.07, 17,246.09 and 7,190.77 is: 9,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.07 : 17,246.09 = 7,190.77 : x
  2. Step 2: Convert to fraction form
    12,496.07/17,246.09 = 7,190.77/x
  3. Step 3: Cross multiply
    12,496.07x = 17,246.09 × 7,190.77
  4. Step 4: Simplify right side
    12,496.07x = 124,012,587.52
  5. Step 5: Solve for x
    x = 124,012,587.52/12,496.07
  6. Step 6: Final answer
    x = 9,924.13

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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.