Home / 13,665.03-20,492.95-5,229.56

Finding the Fourth Proportional to 13,665.03, 20,492.95 and 5,229.56

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Solution

The fourth proportional to 13,665.03, 20,492.95 and 5,229.56 is: 7,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.03 : 20,492.95 = 5,229.56 : x
  2. Step 2: Convert to fraction form
    13,665.03/20,492.95 = 5,229.56/x
  3. Step 3: Cross multiply
    13,665.03x = 20,492.95 × 5,229.56
  4. Step 4: Simplify right side
    13,665.03x = 107,169,149.76
  5. Step 5: Solve for x
    x = 107,169,149.76/13,665.03
  6. Step 6: Final answer
    x = 7,842.58

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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.