Home / 23,170.52-34,758.48-8,386.40

Finding the Fourth Proportional to 23,170.52, 34,758.48 and 8,386.40

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Solution

The fourth proportional to 23,170.52, 34,758.48 and 8,386.40 is: 12,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.52 : 34,758.48 = 8,386.40 : x
  2. Step 2: Convert to fraction form
    23,170.52/34,758.48 = 8,386.40/x
  3. Step 3: Cross multiply
    23,170.52x = 34,758.48 × 8,386.40
  4. Step 4: Simplify right side
    23,170.52x = 291,498,635.02
  5. Step 5: Solve for x
    x = 291,498,635.02/23,170.52
  6. Step 6: Final answer
    x = 12,580.58

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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.