Home / 14,131.56-21,197.75-7,888.08

Finding the Fourth Proportional to 14,131.56, 21,197.75 and 7,888.08

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Solution

The fourth proportional to 14,131.56, 21,197.75 and 7,888.08 is: 11,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.56 : 21,197.75 = 7,888.08 : x
  2. Step 2: Convert to fraction form
    14,131.56/21,197.75 = 7,888.08/x
  3. Step 3: Cross multiply
    14,131.56x = 21,197.75 × 7,888.08
  4. Step 4: Simplify right side
    14,131.56x = 167,209,508.38
  5. Step 5: Solve for x
    x = 167,209,508.38/14,131.56
  6. Step 6: Final answer
    x = 11,832.35

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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.