Home / 22,617.48-31,211.28-12,546.06

Finding the Fourth Proportional to 22,617.48, 31,211.28 and 12,546.06

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Solution

The fourth proportional to 22,617.48, 31,211.28 and 12,546.06 is: 17,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.48 : 31,211.28 = 12,546.06 : x
  2. Step 2: Convert to fraction form
    22,617.48/31,211.28 = 12,546.06/x
  3. Step 3: Cross multiply
    22,617.48x = 31,211.28 × 12,546.06
  4. Step 4: Simplify right side
    22,617.48x = 391,578,591.56
  5. Step 5: Solve for x
    x = 391,578,591.56/22,617.48
  6. Step 6: Final answer
    x = 17,313.10

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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.