Home / 14,281.10-21,421.65-11,000.60

Finding the Fourth Proportional to 14,281.10, 21,421.65 and 11,000.60

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Solution

The fourth proportional to 14,281.10, 21,421.65 and 11,000.60 is: 16,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.10 : 21,421.65 = 11,000.60 : x
  2. Step 2: Convert to fraction form
    14,281.10/21,421.65 = 11,000.60/x
  3. Step 3: Cross multiply
    14,281.10x = 21,421.65 × 11,000.60
  4. Step 4: Simplify right side
    14,281.10x = 235,651,002.99
  5. Step 5: Solve for x
    x = 235,651,002.99/14,281.10
  6. Step 6: Final answer
    x = 16,500.90

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Similar ratio
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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.