Home / 10,269.04-15,322.92-9,642.08

Finding the Fourth Proportional to 10,269.04, 15,322.92 and 9,642.08

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Solution

The fourth proportional to 10,269.04, 15,322.92 and 9,642.08 is: 14,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.04 : 15,322.92 = 9,642.08 : x
  2. Step 2: Convert to fraction form
    10,269.04/15,322.92 = 9,642.08/x
  3. Step 3: Cross multiply
    10,269.04x = 15,322.92 × 9,642.08
  4. Step 4: Simplify right side
    10,269.04x = 147,744,820.47
  5. Step 5: Solve for x
    x = 147,744,820.47/10,269.04
  6. Step 6: Final answer
    x = 14,387.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.