Home / 22,941.90-31,658.58-12,868.56

Finding the Fourth Proportional to 22,941.90, 31,658.58 and 12,868.56

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Solution

The fourth proportional to 22,941.90, 31,658.58 and 12,868.56 is: 17,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941.90 : 31,658.58 = 12,868.56 : x
  2. Step 2: Convert to fraction form
    22,941.90/31,658.58 = 12,868.56/x
  3. Step 3: Cross multiply
    22,941.90x = 31,658.58 × 12,868.56
  4. Step 4: Simplify right side
    22,941.90x = 407,400,336.24
  5. Step 5: Solve for x
    x = 407,400,336.24/22,941.90
  6. Step 6: Final answer
    x = 17,757.92

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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.