Home / 18,697.42-28,037.76-5,545.18

Finding the Fourth Proportional to 18,697.42, 28,037.76 and 5,545.18

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Solution

The fourth proportional to 18,697.42, 28,037.76 and 5,545.18 is: 8,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.42 : 28,037.76 = 5,545.18 : x
  2. Step 2: Convert to fraction form
    18,697.42/28,037.76 = 5,545.18/x
  3. Step 3: Cross multiply
    18,697.42x = 28,037.76 × 5,545.18
  4. Step 4: Simplify right side
    18,697.42x = 155,474,426.00
  5. Step 5: Solve for x
    x = 155,474,426.00/18,697.42
  6. Step 6: Final answer
    x = 8,315.29

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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.