Home / 15,421.15-23,107.11-9,166.33

Finding the Fourth Proportional to 15,421.15, 23,107.11 and 9,166.33

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Solution

The fourth proportional to 15,421.15, 23,107.11 and 9,166.33 is: 13,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.15 : 23,107.11 = 9,166.33 : x
  2. Step 2: Convert to fraction form
    15,421.15/23,107.11 = 9,166.33/x
  3. Step 3: Cross multiply
    15,421.15x = 23,107.11 × 9,166.33
  4. Step 4: Simplify right side
    15,421.15x = 211,807,395.61
  5. Step 5: Solve for x
    x = 211,807,395.61/15,421.15
  6. Step 6: Final answer
    x = 13,734.86

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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.