Home / 22,688.88-34,023.14-12,157.08

Finding the Fourth Proportional to 22,688.88, 34,023.14 and 12,157.08

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Solution

The fourth proportional to 22,688.88, 34,023.14 and 12,157.08 is: 18,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.88 : 34,023.14 = 12,157.08 : x
  2. Step 2: Convert to fraction form
    22,688.88/34,023.14 = 12,157.08/x
  3. Step 3: Cross multiply
    22,688.88x = 34,023.14 × 12,157.08
  4. Step 4: Simplify right side
    22,688.88x = 413,622,034.83
  5. Step 5: Solve for x
    x = 413,622,034.83/22,688.88
  6. Step 6: Final answer
    x = 18,230.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.