Home / 14,126.65-21,189.98-13,192.55

Finding the Fourth Proportional to 14,126.65, 21,189.98 and 13,192.55

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Solution

The fourth proportional to 14,126.65, 21,189.98 and 13,192.55 is: 19,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.65 : 21,189.98 = 13,192.55 : x
  2. Step 2: Convert to fraction form
    14,126.65/21,189.98 = 13,192.55/x
  3. Step 3: Cross multiply
    14,126.65x = 21,189.98 × 13,192.55
  4. Step 4: Simplify right side
    14,126.65x = 279,549,780.44
  5. Step 5: Solve for x
    x = 279,549,780.44/14,126.65
  6. Step 6: Final answer
    x = 19,788.82

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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.