Home / 18,368.20-27,538.80-5,881.06

Finding the Fourth Proportional to 18,368.20, 27,538.80 and 5,881.06

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Solution

The fourth proportional to 18,368.20, 27,538.80 and 5,881.06 is: 8,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.20 : 27,538.80 = 5,881.06 : x
  2. Step 2: Convert to fraction form
    18,368.20/27,538.80 = 5,881.06/x
  3. Step 3: Cross multiply
    18,368.20x = 27,538.80 × 5,881.06
  4. Step 4: Simplify right side
    18,368.20x = 161,957,335.13
  5. Step 5: Solve for x
    x = 161,957,335.13/18,368.20
  6. Step 6: Final answer
    x = 8,817.27

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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.