Home / 18,251.10-27,356.40-7,154.10

Finding the Fourth Proportional to 18,251.10, 27,356.40 and 7,154.10

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Solution

The fourth proportional to 18,251.10, 27,356.40 and 7,154.10 is: 10,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.10 : 27,356.40 = 7,154.10 : x
  2. Step 2: Convert to fraction form
    18,251.10/27,356.40 = 7,154.10/x
  3. Step 3: Cross multiply
    18,251.10x = 27,356.40 × 7,154.10
  4. Step 4: Simplify right side
    18,251.10x = 195,710,421.24
  5. Step 5: Solve for x
    x = 195,710,421.24/18,251.10
  6. Step 6: Final answer
    x = 10,723.21

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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.