Home / 16,279.32-24,427.86-7,515.12

Finding the Fourth Proportional to 16,279.32, 24,427.86 and 7,515.12

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Solution

The fourth proportional to 16,279.32, 24,427.86 and 7,515.12 is: 11,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.32 : 24,427.86 = 7,515.12 : x
  2. Step 2: Convert to fraction form
    16,279.32/24,427.86 = 7,515.12/x
  3. Step 3: Cross multiply
    16,279.32x = 24,427.86 × 7,515.12
  4. Step 4: Simplify right side
    16,279.32x = 183,578,299.24
  5. Step 5: Solve for x
    x = 183,578,299.24/16,279.32
  6. Step 6: Final answer
    x = 11,276.78

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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.