Home / 12,577.32-18,864.89-4,257.16

Finding the Fourth Proportional to 12,577.32, 18,864.89 and 4,257.16

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Solution

The fourth proportional to 12,577.32, 18,864.89 and 4,257.16 is: 6,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.32 : 18,864.89 = 4,257.16 : x
  2. Step 2: Convert to fraction form
    12,577.32/18,864.89 = 4,257.16/x
  3. Step 3: Cross multiply
    12,577.32x = 18,864.89 × 4,257.16
  4. Step 4: Simplify right side
    12,577.32x = 80,310,818.59
  5. Step 5: Solve for x
    x = 80,310,818.59/12,577.32
  6. Step 6: Final answer
    x = 6,385.37

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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.