Home / 9,585.20-14,377.80-8,872.40

Finding the Fourth Proportional to 9,585.20, 14,377.80 and 8,872.40

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Solution

The fourth proportional to 9,585.20, 14,377.80 and 8,872.40 is: 13,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585.20 : 14,377.80 = 8,872.40 : x
  2. Step 2: Convert to fraction form
    9,585.20/14,377.80 = 8,872.40/x
  3. Step 3: Cross multiply
    9,585.20x = 14,377.80 × 8,872.40
  4. Step 4: Simplify right side
    9,585.20x = 127,565,592.72
  5. Step 5: Solve for x
    x = 127,565,592.72/9,585.20
  6. Step 6: Final answer
    x = 13,308.60

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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.