Home / 9,340.60-12,881.52-6,191.32

Finding the Fourth Proportional to 9,340.60, 12,881.52 and 6,191.32

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Solution

The fourth proportional to 9,340.60, 12,881.52 and 6,191.32 is: 8,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.60 : 12,881.52 = 6,191.32 : x
  2. Step 2: Convert to fraction form
    9,340.60/12,881.52 = 6,191.32/x
  3. Step 3: Cross multiply
    9,340.60x = 12,881.52 × 6,191.32
  4. Step 4: Simplify right side
    9,340.60x = 79,753,612.41
  5. Step 5: Solve for x
    x = 79,753,612.41/9,340.60
  6. Step 6: Final answer
    x = 8,538.38

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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.