Home / 17,987.54-26,981.15-10,090.04

Finding the Fourth Proportional to 17,987.54, 26,981.15 and 10,090.04

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Solution

The fourth proportional to 17,987.54, 26,981.15 and 10,090.04 is: 15,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.54 : 26,981.15 = 10,090.04 : x
  2. Step 2: Convert to fraction form
    17,987.54/26,981.15 = 10,090.04/x
  3. Step 3: Cross multiply
    17,987.54x = 26,981.15 × 10,090.04
  4. Step 4: Simplify right side
    17,987.54x = 272,240,899.75
  5. Step 5: Solve for x
    x = 272,240,899.75/17,987.54
  6. Step 6: Final answer
    x = 15,134.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.