Home / 23,151.40-31,948.32-13,080.88

Finding the Fourth Proportional to 23,151.40, 31,948.32 and 13,080.88

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Solution

The fourth proportional to 23,151.40, 31,948.32 and 13,080.88 is: 18,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.40 : 31,948.32 = 13,080.88 : x
  2. Step 2: Convert to fraction form
    23,151.40/31,948.32 = 13,080.88/x
  3. Step 3: Cross multiply
    23,151.40x = 31,948.32 × 13,080.88
  4. Step 4: Simplify right side
    23,151.40x = 417,912,140.12
  5. Step 5: Solve for x
    x = 417,912,140.12/23,151.40
  6. Step 6: Final answer
    x = 18,051.27

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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.