Home / 22,045.68-30,423.72-12,617.28

Finding the Fourth Proportional to 22,045.68, 30,423.72 and 12,617.28

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Solution

The fourth proportional to 22,045.68, 30,423.72 and 12,617.28 is: 17,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.68 : 30,423.72 = 12,617.28 : x
  2. Step 2: Convert to fraction form
    22,045.68/30,423.72 = 12,617.28/x
  3. Step 3: Cross multiply
    22,045.68x = 30,423.72 × 12,617.28
  4. Step 4: Simplify right side
    22,045.68x = 383,864,593.88
  5. Step 5: Solve for x
    x = 383,864,593.88/22,045.68
  6. Step 6: Final answer
    x = 17,412.24

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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.