Home / 11,248.60-16,872.90-3,457.80

Finding the Fourth Proportional to 11,248.60, 16,872.90 and 3,457.80

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Solution

The fourth proportional to 11,248.60, 16,872.90 and 3,457.80 is: 5,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.60 : 16,872.90 = 3,457.80 : x
  2. Step 2: Convert to fraction form
    11,248.60/16,872.90 = 3,457.80/x
  3. Step 3: Cross multiply
    11,248.60x = 16,872.90 × 3,457.80
  4. Step 4: Simplify right side
    11,248.60x = 58,343,113.62
  5. Step 5: Solve for x
    x = 58,343,113.62/11,248.60
  6. Step 6: Final answer
    x = 5,186.70

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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.