Home / 16,079.48-22,189.68-9,005.88

Finding the Fourth Proportional to 16,079.48, 22,189.68 and 9,005.88

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Solution

The fourth proportional to 16,079.48, 22,189.68 and 9,005.88 is: 12,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.48 : 22,189.68 = 9,005.88 : x
  2. Step 2: Convert to fraction form
    16,079.48/22,189.68 = 9,005.88/x
  3. Step 3: Cross multiply
    16,079.48x = 22,189.68 × 9,005.88
  4. Step 4: Simplify right side
    16,079.48x = 199,837,678.53
  5. Step 5: Solve for x
    x = 199,837,678.53/16,079.48
  6. Step 6: Final answer
    x = 12,428.12

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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.