Home / 8,959.32-13,438.98-2,385.18

Finding the Fourth Proportional to 8,959.32, 13,438.98 and 2,385.18

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Solution

The fourth proportional to 8,959.32, 13,438.98 and 2,385.18 is: 3,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.32 : 13,438.98 = 2,385.18 : x
  2. Step 2: Convert to fraction form
    8,959.32/13,438.98 = 2,385.18/x
  3. Step 3: Cross multiply
    8,959.32x = 13,438.98 × 2,385.18
  4. Step 4: Simplify right side
    8,959.32x = 32,054,386.32
  5. Step 5: Solve for x
    x = 32,054,386.32/8,959.32
  6. Step 6: Final answer
    x = 3,577.77

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Similar ratio
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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.