Home / 22,000.32-30,360.51-13,052.25

Finding the Fourth Proportional to 22,000.32, 30,360.51 and 13,052.25

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Solution

The fourth proportional to 22,000.32, 30,360.51 and 13,052.25 is: 18,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.32 : 30,360.51 = 13,052.25 : x
  2. Step 2: Convert to fraction form
    22,000.32/30,360.51 = 13,052.25/x
  3. Step 3: Cross multiply
    22,000.32x = 30,360.51 × 13,052.25
  4. Step 4: Simplify right side
    22,000.32x = 396,272,966.65
  5. Step 5: Solve for x
    x = 396,272,966.65/22,000.32
  6. Step 6: Final answer
    x = 18,012.15

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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.