Home / 10,808.28-14,915.88-6,331.41

Finding the Fourth Proportional to 10,808.28, 14,915.88 and 6,331.41

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Solution

The fourth proportional to 10,808.28, 14,915.88 and 6,331.41 is: 8,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.28 : 14,915.88 = 6,331.41 : x
  2. Step 2: Convert to fraction form
    10,808.28/14,915.88 = 6,331.41/x
  3. Step 3: Cross multiply
    10,808.28x = 14,915.88 × 6,331.41
  4. Step 4: Simplify right side
    10,808.28x = 94,438,551.79
  5. Step 5: Solve for x
    x = 94,438,551.79/10,808.28
  6. Step 6: Final answer
    x = 8,737.61

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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.