Home / 22,660.53-31,271.76-12,589.59

Finding the Fourth Proportional to 22,660.53, 31,271.76 and 12,589.59

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Solution

The fourth proportional to 22,660.53, 31,271.76 and 12,589.59 is: 17,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.53 : 31,271.76 = 12,589.59 : x
  2. Step 2: Convert to fraction form
    22,660.53/31,271.76 = 12,589.59/x
  3. Step 3: Cross multiply
    22,660.53x = 31,271.76 × 12,589.59
  4. Step 4: Simplify right side
    22,660.53x = 393,698,636.98
  5. Step 5: Solve for x
    x = 393,698,636.98/22,660.53
  6. Step 6: Final answer
    x = 17,373.76

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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.