Home / 15,380.76-23,078.42-9,153.08

Finding the Fourth Proportional to 15,380.76, 23,078.42 and 9,153.08

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Solution

The fourth proportional to 15,380.76, 23,078.42 and 9,153.08 is: 13,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.76 : 23,078.42 = 9,153.08 : x
  2. Step 2: Convert to fraction form
    15,380.76/23,078.42 = 9,153.08/x
  3. Step 3: Cross multiply
    15,380.76x = 23,078.42 × 9,153.08
  4. Step 4: Simplify right side
    15,380.76x = 211,238,624.53
  5. Step 5: Solve for x
    x = 211,238,624.53/15,380.76
  6. Step 6: Final answer
    x = 13,733.95

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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.