Home / 15,344.39-21,175.47-9,056.76

Finding the Fourth Proportional to 15,344.39, 21,175.47 and 9,056.76

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Solution

The fourth proportional to 15,344.39, 21,175.47 and 9,056.76 is: 12,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.39 : 21,175.47 = 9,056.76 : x
  2. Step 2: Convert to fraction form
    15,344.39/21,175.47 = 9,056.76/x
  3. Step 3: Cross multiply
    15,344.39x = 21,175.47 × 9,056.76
  4. Step 4: Simplify right side
    15,344.39x = 191,781,149.68
  5. Step 5: Solve for x
    x = 191,781,149.68/15,344.39
  6. Step 6: Final answer
    x = 12,498.46

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Half scale
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Double scale
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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.