Home / 18,259.93-27,387.54-5,781.25

Finding the Fourth Proportional to 18,259.93, 27,387.54 and 5,781.25

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Solution

The fourth proportional to 18,259.93, 27,387.54 and 5,781.25 is: 8,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.93 : 27,387.54 = 5,781.25 : x
  2. Step 2: Convert to fraction form
    18,259.93/27,387.54 = 5,781.25/x
  3. Step 3: Cross multiply
    18,259.93x = 27,387.54 × 5,781.25
  4. Step 4: Simplify right side
    18,259.93x = 158,334,215.63
  5. Step 5: Solve for x
    x = 158,334,215.63/18,259.93
  6. Step 6: Final answer
    x = 8,671.13

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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.