Home / 23,145.85-31,941.18-13,073.77

Finding the Fourth Proportional to 23,145.85, 31,941.18 and 13,073.77

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Solution

The fourth proportional to 23,145.85, 31,941.18 and 13,073.77 is: 18,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.85 : 31,941.18 = 13,073.77 : x
  2. Step 2: Convert to fraction form
    23,145.85/31,941.18 = 13,073.77/x
  3. Step 3: Cross multiply
    23,145.85x = 31,941.18 × 13,073.77
  4. Step 4: Simplify right side
    23,145.85x = 417,591,640.85
  5. Step 5: Solve for x
    x = 417,591,640.85/23,145.85
  6. Step 6: Final answer
    x = 18,041.75

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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.