Home / 22,018.40-33,049.20-10,937.60

Finding the Fourth Proportional to 22,018.40, 33,049.20 and 10,937.60

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Solution

The fourth proportional to 22,018.40, 33,049.20 and 10,937.60 is: 16,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.40 : 33,049.20 = 10,937.60 : x
  2. Step 2: Convert to fraction form
    22,018.40/33,049.20 = 10,937.60/x
  3. Step 3: Cross multiply
    22,018.40x = 33,049.20 × 10,937.60
  4. Step 4: Simplify right side
    22,018.40x = 361,478,929.92
  5. Step 5: Solve for x
    x = 361,478,929.92/22,018.40
  6. Step 6: Final answer
    x = 16,417.13

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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.