Home / 9,915.27-13,685.45-6,733.87

Finding the Fourth Proportional to 9,915.27, 13,685.45 and 6,733.87

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Solution

The fourth proportional to 9,915.27, 13,685.45 and 6,733.87 is: 9,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.27 : 13,685.45 = 6,733.87 : x
  2. Step 2: Convert to fraction form
    9,915.27/13,685.45 = 6,733.87/x
  3. Step 3: Cross multiply
    9,915.27x = 13,685.45 × 6,733.87
  4. Step 4: Simplify right side
    9,915.27x = 92,156,011.19
  5. Step 5: Solve for x
    x = 92,156,011.19/9,915.27
  6. Step 6: Final answer
    x = 9,294.36

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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.