Home / 10,089.18-15,110.28-9,738.79

Finding the Fourth Proportional to 10,089.18, 15,110.28 and 9,738.79

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Solution

The fourth proportional to 10,089.18, 15,110.28 and 9,738.79 is: 14,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.18 : 15,110.28 = 9,738.79 : x
  2. Step 2: Convert to fraction form
    10,089.18/15,110.28 = 9,738.79/x
  3. Step 3: Cross multiply
    10,089.18x = 15,110.28 × 9,738.79
  4. Step 4: Simplify right side
    10,089.18x = 147,155,805.99
  5. Step 5: Solve for x
    x = 147,155,805.99/10,089.18
  6. Step 6: Final answer
    x = 14,585.51

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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.