Home / 15,385.82-23,122.01-9,146.95

Finding the Fourth Proportional to 15,385.82, 23,122.01 and 9,146.95

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Solution

The fourth proportional to 15,385.82, 23,122.01 and 9,146.95 is: 13,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.82 : 23,122.01 = 9,146.95 : x
  2. Step 2: Convert to fraction form
    15,385.82/23,122.01 = 9,146.95/x
  3. Step 3: Cross multiply
    15,385.82x = 23,122.01 × 9,146.95
  4. Step 4: Simplify right side
    15,385.82x = 211,495,765.83
  5. Step 5: Solve for x
    x = 211,495,765.83/15,385.82
  6. Step 6: Final answer
    x = 13,746.15

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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.