Home / 11,453.04-15,819.84-9,223.92

Finding the Fourth Proportional to 11,453.04, 15,819.84 and 9,223.92

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Solution

The fourth proportional to 11,453.04, 15,819.84 and 9,223.92 is: 12,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.04 : 15,819.84 = 9,223.92 : x
  2. Step 2: Convert to fraction form
    11,453.04/15,819.84 = 9,223.92/x
  3. Step 3: Cross multiply
    11,453.04x = 15,819.84 × 9,223.92
  4. Step 4: Simplify right side
    11,453.04x = 145,920,938.57
  5. Step 5: Solve for x
    x = 145,920,938.57/11,453.04
  6. Step 6: Final answer
    x = 12,740.80

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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.