Home / 10,125.43-13,972.83-5,649.19

Finding the Fourth Proportional to 10,125.43, 13,972.83 and 5,649.19

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Solution

The fourth proportional to 10,125.43, 13,972.83 and 5,649.19 is: 7,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.43 : 13,972.83 = 5,649.19 : x
  2. Step 2: Convert to fraction form
    10,125.43/13,972.83 = 5,649.19/x
  3. Step 3: Cross multiply
    10,125.43x = 13,972.83 × 5,649.19
  4. Step 4: Simplify right side
    10,125.43x = 78,935,171.51
  5. Step 5: Solve for x
    x = 78,935,171.51/10,125.43
  6. Step 6: Final answer
    x = 7,795.74

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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.