Home / 13,155.28-19,732.28-4,834.66

Finding the Fourth Proportional to 13,155.28, 19,732.28 and 4,834.66

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Solution

The fourth proportional to 13,155.28, 19,732.28 and 4,834.66 is: 7,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.28 : 19,732.28 = 4,834.66 : x
  2. Step 2: Convert to fraction form
    13,155.28/19,732.28 = 4,834.66/x
  3. Step 3: Cross multiply
    13,155.28x = 19,732.28 × 4,834.66
  4. Step 4: Simplify right side
    13,155.28x = 95,398,840.65
  5. Step 5: Solve for x
    x = 95,398,840.65/13,155.28
  6. Step 6: Final answer
    x = 7,251.75

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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.