Home / 22,029.05-30,400.08-12,597.61

Finding the Fourth Proportional to 22,029.05, 30,400.08 and 12,597.61

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Solution

The fourth proportional to 22,029.05, 30,400.08 and 12,597.61 is: 17,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.05 : 30,400.08 = 12,597.61 : x
  2. Step 2: Convert to fraction form
    22,029.05/30,400.08 = 12,597.61/x
  3. Step 3: Cross multiply
    22,029.05x = 30,400.08 × 12,597.61
  4. Step 4: Simplify right side
    22,029.05x = 382,968,391.86
  5. Step 5: Solve for x
    x = 382,968,391.86/22,029.05
  6. Step 6: Final answer
    x = 17,384.70

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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.