Home / 10,301.20-15,437.89-7,514.80

Finding the Fourth Proportional to 10,301.20, 15,437.89 and 7,514.80

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Solution

The fourth proportional to 10,301.20, 15,437.89 and 7,514.80 is: 11,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.20 : 15,437.89 = 7,514.80 : x
  2. Step 2: Convert to fraction form
    10,301.20/15,437.89 = 7,514.80/x
  3. Step 3: Cross multiply
    10,301.20x = 15,437.89 × 7,514.80
  4. Step 4: Simplify right side
    10,301.20x = 116,012,655.77
  5. Step 5: Solve for x
    x = 116,012,655.77/10,301.20
  6. Step 6: Final answer
    x = 11,262.05

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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.