Home / 14,051.20-21,101.10-13,613.80

Finding the Fourth Proportional to 14,051.20, 21,101.10 and 13,613.80

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Solution

The fourth proportional to 14,051.20, 21,101.10 and 13,613.80 is: 20,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.20 : 21,101.10 = 13,613.80 : x
  2. Step 2: Convert to fraction form
    14,051.20/21,101.10 = 13,613.80/x
  3. Step 3: Cross multiply
    14,051.20x = 21,101.10 × 13,613.80
  4. Step 4: Simplify right side
    14,051.20x = 287,266,155.18
  5. Step 5: Solve for x
    x = 287,266,155.18/14,051.20
  6. Step 6: Final answer
    x = 20,444.24

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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.