Home / 14,519.38-21,779.08-4,131.13

Finding the Fourth Proportional to 14,519.38, 21,779.08 and 4,131.13

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Solution

The fourth proportional to 14,519.38, 21,779.08 and 4,131.13 is: 6,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.38 : 21,779.08 = 4,131.13 : x
  2. Step 2: Convert to fraction form
    14,519.38/21,779.08 = 4,131.13/x
  3. Step 3: Cross multiply
    14,519.38x = 21,779.08 × 4,131.13
  4. Step 4: Simplify right side
    14,519.38x = 89,972,210.76
  5. Step 5: Solve for x
    x = 89,972,210.76/14,519.38
  6. Step 6: Final answer
    x = 6,196.70

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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.