Home / 20,166.10-30,281.55-14,658.10

Finding the Fourth Proportional to 20,166.10, 30,281.55 and 14,658.10

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Solution

The fourth proportional to 20,166.10, 30,281.55 and 14,658.10 is: 22,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.10 : 30,281.55 = 14,658.10 : x
  2. Step 2: Convert to fraction form
    20,166.10/30,281.55 = 14,658.10/x
  3. Step 3: Cross multiply
    20,166.10x = 30,281.55 × 14,658.10
  4. Step 4: Simplify right side
    20,166.10x = 443,869,988.06
  5. Step 5: Solve for x
    x = 443,869,988.06/20,166.10
  6. Step 6: Final answer
    x = 22,010.70

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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.