Home / 12,519.96-17,279.07-7,484.13

Finding the Fourth Proportional to 12,519.96, 17,279.07 and 7,484.13

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Solution

The fourth proportional to 12,519.96, 17,279.07 and 7,484.13 is: 10,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.96 : 17,279.07 = 7,484.13 : x
  2. Step 2: Convert to fraction form
    12,519.96/17,279.07 = 7,484.13/x
  3. Step 3: Cross multiply
    12,519.96x = 17,279.07 × 7,484.13
  4. Step 4: Simplify right side
    12,519.96x = 129,318,806.16
  5. Step 5: Solve for x
    x = 129,318,806.16/12,519.96
  6. Step 6: Final answer
    x = 10,329.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.