Home / 23,153.64-31,951.88-13,085.34

Finding the Fourth Proportional to 23,153.64, 31,951.88 and 13,085.34

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Solution

The fourth proportional to 23,153.64, 31,951.88 and 13,085.34 is: 18,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.64 : 31,951.88 = 13,085.34 : x
  2. Step 2: Convert to fraction form
    23,153.64/31,951.88 = 13,085.34/x
  3. Step 3: Cross multiply
    23,153.64x = 31,951.88 × 13,085.34
  4. Step 4: Simplify right side
    23,153.64x = 418,101,213.44
  5. Step 5: Solve for x
    x = 418,101,213.44/23,153.64
  6. Step 6: Final answer
    x = 18,057.69

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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.