Home / 22,721.18-34,008.80-12,164.72

Finding the Fourth Proportional to 22,721.18, 34,008.80 and 12,164.72

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Solution

The fourth proportional to 22,721.18, 34,008.80 and 12,164.72 is: 18,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.18 : 34,008.80 = 12,164.72 : x
  2. Step 2: Convert to fraction form
    22,721.18/34,008.80 = 12,164.72/x
  3. Step 3: Cross multiply
    22,721.18x = 34,008.80 × 12,164.72
  4. Step 4: Simplify right side
    22,721.18x = 413,707,298.67
  5. Step 5: Solve for x
    x = 413,707,298.67/22,721.18
  6. Step 6: Final answer
    x = 18,208.01

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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.