Home / 14,385.60-19,832.40-9,077.76

Finding the Fourth Proportional to 14,385.60, 19,832.40 and 9,077.76

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Solution

The fourth proportional to 14,385.60, 19,832.40 and 9,077.76 is: 12,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.60 : 19,832.40 = 9,077.76 : x
  2. Step 2: Convert to fraction form
    14,385.60/19,832.40 = 9,077.76/x
  3. Step 3: Cross multiply
    14,385.60x = 19,832.40 × 9,077.76
  4. Step 4: Simplify right side
    14,385.60x = 180,033,767.42
  5. Step 5: Solve for x
    x = 180,033,767.42/14,385.60
  6. Step 6: Final answer
    x = 12,514.86

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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.