Home / 18,011.04-27,023.64-9,121.49

Finding the Fourth Proportional to 18,011.04, 27,023.64 and 9,121.49

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Solution

The fourth proportional to 18,011.04, 27,023.64 and 9,121.49 is: 13,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.04 : 27,023.64 = 9,121.49 : x
  2. Step 2: Convert to fraction form
    18,011.04/27,023.64 = 9,121.49/x
  3. Step 3: Cross multiply
    18,011.04x = 27,023.64 × 9,121.49
  4. Step 4: Simplify right side
    18,011.04x = 246,495,862.02
  5. Step 5: Solve for x
    x = 246,495,862.02/18,011.04
  6. Step 6: Final answer
    x = 13,685.82

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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.