Home / 12,722.48-19,062.97-6,473.90

Finding the Fourth Proportional to 12,722.48, 19,062.97 and 6,473.90

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Solution

The fourth proportional to 12,722.48, 19,062.97 and 6,473.90 is: 9,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.48 : 19,062.97 = 6,473.90 : x
  2. Step 2: Convert to fraction form
    12,722.48/19,062.97 = 6,473.90/x
  3. Step 3: Cross multiply
    12,722.48x = 19,062.97 × 6,473.90
  4. Step 4: Simplify right side
    12,722.48x = 123,411,761.48
  5. Step 5: Solve for x
    x = 123,411,761.48/12,722.48
  6. Step 6: Final answer
    x = 9,700.29

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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.