Home / 22,660.54-31,270.67-12,589.62

Finding the Fourth Proportional to 22,660.54, 31,270.67 and 12,589.62

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Solution

The fourth proportional to 22,660.54, 31,270.67 and 12,589.62 is: 17,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.54 : 31,270.67 = 12,589.62 : x
  2. Step 2: Convert to fraction form
    22,660.54/31,270.67 = 12,589.62/x
  3. Step 3: Cross multiply
    22,660.54x = 31,270.67 × 12,589.62
  4. Step 4: Simplify right side
    22,660.54x = 393,685,966.16
  5. Step 5: Solve for x
    x = 393,685,966.16/22,660.54
  6. Step 6: Final answer
    x = 17,373.19

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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.