Home / 13,712.54-20,569.53-4,353.28

Finding the Fourth Proportional to 13,712.54, 20,569.53 and 4,353.28

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Solution

The fourth proportional to 13,712.54, 20,569.53 and 4,353.28 is: 6,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.54 : 20,569.53 = 4,353.28 : x
  2. Step 2: Convert to fraction form
    13,712.54/20,569.53 = 4,353.28/x
  3. Step 3: Cross multiply
    13,712.54x = 20,569.53 × 4,353.28
  4. Step 4: Simplify right side
    13,712.54x = 89,544,923.56
  5. Step 5: Solve for x
    x = 89,544,923.56/13,712.54
  6. Step 6: Final answer
    x = 6,530.15

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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.