Home / 12,951.10-19,426.65-5,554.30

Finding the Fourth Proportional to 12,951.10, 19,426.65 and 5,554.30

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Solution

The fourth proportional to 12,951.10, 19,426.65 and 5,554.30 is: 8,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.10 : 19,426.65 = 5,554.30 : x
  2. Step 2: Convert to fraction form
    12,951.10/19,426.65 = 5,554.30/x
  3. Step 3: Cross multiply
    12,951.10x = 19,426.65 × 5,554.30
  4. Step 4: Simplify right side
    12,951.10x = 107,901,442.10
  5. Step 5: Solve for x
    x = 107,901,442.10/12,951.10
  6. Step 6: Final answer
    x = 8,331.45

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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.