Home / 22,464.22-31,000.12-12,393.62

Finding the Fourth Proportional to 22,464.22, 31,000.12 and 12,393.62

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Solution

The fourth proportional to 22,464.22, 31,000.12 and 12,393.62 is: 17,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,464.22 : 31,000.12 = 12,393.62 : x
  2. Step 2: Convert to fraction form
    22,464.22/31,000.12 = 12,393.62/x
  3. Step 3: Cross multiply
    22,464.22x = 31,000.12 × 12,393.62
  4. Step 4: Simplify right side
    22,464.22x = 384,203,707.23
  5. Step 5: Solve for x
    x = 384,203,707.23/22,464.22
  6. Step 6: Final answer
    x = 17,102.92

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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.