Home / 11,423.85-15,774.60-9,545.46

Finding the Fourth Proportional to 11,423.85, 15,774.60 and 9,545.46

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Solution

The fourth proportional to 11,423.85, 15,774.60 and 9,545.46 is: 13,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.85 : 15,774.60 = 9,545.46 : x
  2. Step 2: Convert to fraction form
    11,423.85/15,774.60 = 9,545.46/x
  3. Step 3: Cross multiply
    11,423.85x = 15,774.60 × 9,545.46
  4. Step 4: Simplify right side
    11,423.85x = 150,575,813.32
  5. Step 5: Solve for x
    x = 150,575,813.32/11,423.85
  6. Step 6: Final answer
    x = 13,180.83

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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.