Home / 23,165.60-34,699.80-12,765.20

Finding the Fourth Proportional to 23,165.60, 34,699.80 and 12,765.20

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Solution

The fourth proportional to 23,165.60, 34,699.80 and 12,765.20 is: 19,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.60 : 34,699.80 = 12,765.20 : x
  2. Step 2: Convert to fraction form
    23,165.60/34,699.80 = 12,765.20/x
  3. Step 3: Cross multiply
    23,165.60x = 34,699.80 × 12,765.20
  4. Step 4: Simplify right side
    23,165.60x = 442,949,886.96
  5. Step 5: Solve for x
    x = 442,949,886.96/23,165.60
  6. Step 6: Final answer
    x = 19,121.02

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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.