Home / 22,908.85-34,316.28-13,520.45

Finding the Fourth Proportional to 22,908.85, 34,316.28 and 13,520.45

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Solution

The fourth proportional to 22,908.85, 34,316.28 and 13,520.45 is: 20,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.85 : 34,316.28 = 13,520.45 : x
  2. Step 2: Convert to fraction form
    22,908.85/34,316.28 = 13,520.45/x
  3. Step 3: Cross multiply
    22,908.85x = 34,316.28 × 13,520.45
  4. Step 4: Simplify right side
    22,908.85x = 463,971,633.72
  5. Step 5: Solve for x
    x = 463,971,633.72/22,908.85
  6. Step 6: Final answer
    x = 20,252.95

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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.