Home / 12,887.98-19,330.54-6,294.18

Finding the Fourth Proportional to 12,887.98, 19,330.54 and 6,294.18

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Solution

The fourth proportional to 12,887.98, 19,330.54 and 6,294.18 is: 9,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.98 : 19,330.54 = 6,294.18 : x
  2. Step 2: Convert to fraction form
    12,887.98/19,330.54 = 6,294.18/x
  3. Step 3: Cross multiply
    12,887.98x = 19,330.54 × 6,294.18
  4. Step 4: Simplify right side
    12,887.98x = 121,669,898.26
  5. Step 5: Solve for x
    x = 121,669,898.26/12,887.98
  6. Step 6: Final answer
    x = 9,440.57

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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.