Home / 10,154.20-15,220.92-5,762.38

Finding the Fourth Proportional to 10,154.20, 15,220.92 and 5,762.38

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Solution

The fourth proportional to 10,154.20, 15,220.92 and 5,762.38 is: 8,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.20 : 15,220.92 = 5,762.38 : x
  2. Step 2: Convert to fraction form
    10,154.20/15,220.92 = 5,762.38/x
  3. Step 3: Cross multiply
    10,154.20x = 15,220.92 × 5,762.38
  4. Step 4: Simplify right side
    10,154.20x = 87,708,724.99
  5. Step 5: Solve for x
    x = 87,708,724.99/10,154.20
  6. Step 6: Final answer
    x = 8,637.68

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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.