Home / 10,720.30-16,084.10-6,766.96

Finding the Fourth Proportional to 10,720.30, 16,084.10 and 6,766.96

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Solution

The fourth proportional to 10,720.30, 16,084.10 and 6,766.96 is: 10,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.30 : 16,084.10 = 6,766.96 : x
  2. Step 2: Convert to fraction form
    10,720.30/16,084.10 = 6,766.96/x
  3. Step 3: Cross multiply
    10,720.30x = 16,084.10 × 6,766.96
  4. Step 4: Simplify right side
    10,720.30x = 108,840,461.34
  5. Step 5: Solve for x
    x = 108,840,461.34/10,720.30
  6. Step 6: Final answer
    x = 10,152.74

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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.