Home / 10,332.49-15,514.53-9,110.20

Finding the Fourth Proportional to 10,332.49, 15,514.53 and 9,110.20

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Solution

The fourth proportional to 10,332.49, 15,514.53 and 9,110.20 is: 13,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.49 : 15,514.53 = 9,110.20 : x
  2. Step 2: Convert to fraction form
    10,332.49/15,514.53 = 9,110.20/x
  3. Step 3: Cross multiply
    10,332.49x = 15,514.53 × 9,110.20
  4. Step 4: Simplify right side
    10,332.49x = 141,340,471.21
  5. Step 5: Solve for x
    x = 141,340,471.21/10,332.49
  6. Step 6: Final answer
    x = 13,679.23

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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.