Home / 22,017.09-33,000.78-10,931.70

Finding the Fourth Proportional to 22,017.09, 33,000.78 and 10,931.70

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Solution

The fourth proportional to 22,017.09, 33,000.78 and 10,931.70 is: 16,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.09 : 33,000.78 = 10,931.70 : x
  2. Step 2: Convert to fraction form
    22,017.09/33,000.78 = 10,931.70/x
  3. Step 3: Cross multiply
    22,017.09x = 33,000.78 × 10,931.70
  4. Step 4: Simplify right side
    22,017.09x = 360,754,626.73
  5. Step 5: Solve for x
    x = 360,754,626.73/22,017.09
  6. Step 6: Final answer
    x = 16,385.21

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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.