Home / 10,371.81-15,572.25-9,901.56

Finding the Fourth Proportional to 10,371.81, 15,572.25 and 9,901.56

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Solution

The fourth proportional to 10,371.81, 15,572.25 and 9,901.56 is: 14,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.81 : 15,572.25 = 9,901.56 : x
  2. Step 2: Convert to fraction form
    10,371.81/15,572.25 = 9,901.56/x
  3. Step 3: Cross multiply
    10,371.81x = 15,572.25 × 9,901.56
  4. Step 4: Simplify right side
    10,371.81x = 154,189,567.71
  5. Step 5: Solve for x
    x = 154,189,567.71/10,371.81
  6. Step 6: Final answer
    x = 14,866.22

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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.