Home / 23,161.68-31,962.52-13,090.08

Finding the Fourth Proportional to 23,161.68, 31,962.52 and 13,090.08

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Solution

The fourth proportional to 23,161.68, 31,962.52 and 13,090.08 is: 18,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.68 : 31,962.52 = 13,090.08 : x
  2. Step 2: Convert to fraction form
    23,161.68/31,962.52 = 13,090.08/x
  3. Step 3: Cross multiply
    23,161.68x = 31,962.52 × 13,090.08
  4. Step 4: Simplify right side
    23,161.68x = 418,391,943.80
  5. Step 5: Solve for x
    x = 418,391,943.80/23,161.68
  6. Step 6: Final answer
    x = 18,063.97

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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.