Home / 16,279.04-24,428.64-7,515.20

Finding the Fourth Proportional to 16,279.04, 24,428.64 and 7,515.20

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Solution

The fourth proportional to 16,279.04, 24,428.64 and 7,515.20 is: 11,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.04 : 24,428.64 = 7,515.20 : x
  2. Step 2: Convert to fraction form
    16,279.04/24,428.64 = 7,515.20/x
  3. Step 3: Cross multiply
    16,279.04x = 24,428.64 × 7,515.20
  4. Step 4: Simplify right side
    16,279.04x = 183,586,115.33
  5. Step 5: Solve for x
    x = 183,586,115.33/16,279.04
  6. Step 6: Final answer
    x = 11,277.45

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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.