Home / 22,465.11-31,000.23-12,393.57

Finding the Fourth Proportional to 22,465.11, 31,000.23 and 12,393.57

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Solution

The fourth proportional to 22,465.11, 31,000.23 and 12,393.57 is: 17,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.11 : 31,000.23 = 12,393.57 : x
  2. Step 2: Convert to fraction form
    22,465.11/31,000.23 = 12,393.57/x
  3. Step 3: Cross multiply
    22,465.11x = 31,000.23 × 12,393.57
  4. Step 4: Simplify right side
    22,465.11x = 384,203,520.52
  5. Step 5: Solve for x
    x = 384,203,520.52/22,465.11
  6. Step 6: Final answer
    x = 17,102.23

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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.