Home / 16,765.19-23,135.87-9,108.40

Finding the Fourth Proportional to 16,765.19, 23,135.87 and 9,108.40

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Solution

The fourth proportional to 16,765.19, 23,135.87 and 9,108.40 is: 12,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.19 : 23,135.87 = 9,108.40 : x
  2. Step 2: Convert to fraction form
    16,765.19/23,135.87 = 9,108.40/x
  3. Step 3: Cross multiply
    16,765.19x = 23,135.87 × 9,108.40
  4. Step 4: Simplify right side
    16,765.19x = 210,730,758.31
  5. Step 5: Solve for x
    x = 210,730,758.31/16,765.19
  6. Step 6: Final answer
    x = 12,569.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.