Home / 13,669.92-20,505.60-4,436.16

Finding the Fourth Proportional to 13,669.92, 20,505.60 and 4,436.16

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Solution

The fourth proportional to 13,669.92, 20,505.60 and 4,436.16 is: 6,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.92 : 20,505.60 = 4,436.16 : x
  2. Step 2: Convert to fraction form
    13,669.92/20,505.60 = 4,436.16/x
  3. Step 3: Cross multiply
    13,669.92x = 20,505.60 × 4,436.16
  4. Step 4: Simplify right side
    13,669.92x = 90,966,122.50
  5. Step 5: Solve for x
    x = 90,966,122.50/13,669.92
  6. Step 6: Final answer
    x = 6,654.47

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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.