Home / 9,641.28-14,455.56-6,344.40

Finding the Fourth Proportional to 9,641.28, 14,455.56 and 6,344.40

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Solution

The fourth proportional to 9,641.28, 14,455.56 and 6,344.40 is: 9,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.28 : 14,455.56 = 6,344.40 : x
  2. Step 2: Convert to fraction form
    9,641.28/14,455.56 = 6,344.40/x
  3. Step 3: Cross multiply
    9,641.28x = 14,455.56 × 6,344.40
  4. Step 4: Simplify right side
    9,641.28x = 91,711,854.86
  5. Step 5: Solve for x
    x = 91,711,854.86/9,641.28
  6. Step 6: Final answer
    x = 9,512.41

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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.