Home / 18,089.47-27,112.34-9,319.60

Finding the Fourth Proportional to 18,089.47, 27,112.34 and 9,319.60

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Solution

The fourth proportional to 18,089.47, 27,112.34 and 9,319.60 is: 13,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.47 : 27,112.34 = 9,319.60 : x
  2. Step 2: Convert to fraction form
    18,089.47/27,112.34 = 9,319.60/x
  3. Step 3: Cross multiply
    18,089.47x = 27,112.34 × 9,319.60
  4. Step 4: Simplify right side
    18,089.47x = 252,676,117.27
  5. Step 5: Solve for x
    x = 252,676,117.27/18,089.47
  6. Step 6: Final answer
    x = 13,968.13

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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.