Home / 10,572.29-15,865.73-10,490.28

Finding the Fourth Proportional to 10,572.29, 15,865.73 and 10,490.28

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Solution

The fourth proportional to 10,572.29, 15,865.73 and 10,490.28 is: 15,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.29 : 15,865.73 = 10,490.28 : x
  2. Step 2: Convert to fraction form
    10,572.29/15,865.73 = 10,490.28/x
  3. Step 3: Cross multiply
    10,572.29x = 15,865.73 × 10,490.28
  4. Step 4: Simplify right side
    10,572.29x = 166,435,897.65
  5. Step 5: Solve for x
    x = 166,435,897.65/10,572.29
  6. Step 6: Final answer
    x = 15,742.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.