Home / 23,159.09-31,961.42-13,089.63

Finding the Fourth Proportional to 23,159.09, 31,961.42 and 13,089.63

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Solution

The fourth proportional to 23,159.09, 31,961.42 and 13,089.63 is: 18,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.09 : 31,961.42 = 13,089.63 : x
  2. Step 2: Convert to fraction form
    23,159.09/31,961.42 = 13,089.63/x
  3. Step 3: Cross multiply
    23,159.09x = 31,961.42 × 13,089.63
  4. Step 4: Simplify right side
    23,159.09x = 418,363,096.63
  5. Step 5: Solve for x
    x = 418,363,096.63/23,159.09
  6. Step 6: Final answer
    x = 18,064.75

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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.