Home / 15,269.88-22,904.82-7,869.72

Finding the Fourth Proportional to 15,269.88, 22,904.82 and 7,869.72

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Solution

The fourth proportional to 15,269.88, 22,904.82 and 7,869.72 is: 11,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.88 : 22,904.82 = 7,869.72 : x
  2. Step 2: Convert to fraction form
    15,269.88/22,904.82 = 7,869.72/x
  3. Step 3: Cross multiply
    15,269.88x = 22,904.82 × 7,869.72
  4. Step 4: Simplify right side
    15,269.88x = 180,254,520.05
  5. Step 5: Solve for x
    x = 180,254,520.05/15,269.88
  6. Step 6: Final answer
    x = 11,804.58

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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.