Home / 22,232.13-30,681.32-12,803.73

Finding the Fourth Proportional to 22,232.13, 30,681.32 and 12,803.73

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Solution

The fourth proportional to 22,232.13, 30,681.32 and 12,803.73 is: 17,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232.13 : 30,681.32 = 12,803.73 : x
  2. Step 2: Convert to fraction form
    22,232.13/30,681.32 = 12,803.73/x
  3. Step 3: Cross multiply
    22,232.13x = 30,681.32 × 12,803.73
  4. Step 4: Simplify right side
    22,232.13x = 392,835,337.32
  5. Step 5: Solve for x
    x = 392,835,337.32/22,232.13
  6. Step 6: Final answer
    x = 17,669.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.