Home / 15,380.75-23,078.42-9,153.06

Finding the Fourth Proportional to 15,380.75, 23,078.42 and 9,153.06

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Solution

The fourth proportional to 15,380.75, 23,078.42 and 9,153.06 is: 13,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.75 : 23,078.42 = 9,153.06 : x
  2. Step 2: Convert to fraction form
    15,380.75/23,078.42 = 9,153.06/x
  3. Step 3: Cross multiply
    15,380.75x = 23,078.42 × 9,153.06
  4. Step 4: Simplify right side
    15,380.75x = 211,238,117.20
  5. Step 5: Solve for x
    x = 211,238,117.20/15,380.75
  6. Step 6: Final answer
    x = 13,733.93

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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.