Home / 10,808.90-14,916.20-6,331.69

Finding the Fourth Proportional to 10,808.90, 14,916.20 and 6,331.69

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Solution

The fourth proportional to 10,808.90, 14,916.20 and 6,331.69 is: 8,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.90 : 14,916.20 = 6,331.69 : x
  2. Step 2: Convert to fraction form
    10,808.90/14,916.20 = 6,331.69/x
  3. Step 3: Cross multiply
    10,808.90x = 14,916.20 × 6,331.69
  4. Step 4: Simplify right side
    10,808.90x = 94,444,679.80
  5. Step 5: Solve for x
    x = 94,444,679.80/10,808.90
  6. Step 6: Final answer
    x = 8,737.68

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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.