Home / 14,400.32-19,876.15-9,377.08

Finding the Fourth Proportional to 14,400.32, 19,876.15 and 9,377.08

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Solution

The fourth proportional to 14,400.32, 19,876.15 and 9,377.08 is: 12,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.32 : 19,876.15 = 9,377.08 : x
  2. Step 2: Convert to fraction form
    14,400.32/19,876.15 = 9,377.08/x
  3. Step 3: Cross multiply
    14,400.32x = 19,876.15 × 9,377.08
  4. Step 4: Simplify right side
    14,400.32x = 186,380,248.64
  5. Step 5: Solve for x
    x = 186,380,248.64/14,400.32
  6. Step 6: Final answer
    x = 12,942.79

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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.