Home / 13,669.32-20,504.38-7,432.32

Finding the Fourth Proportional to 13,669.32, 20,504.38 and 7,432.32

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Solution

The fourth proportional to 13,669.32, 20,504.38 and 7,432.32 is: 11,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.32 : 20,504.38 = 7,432.32 : x
  2. Step 2: Convert to fraction form
    13,669.32/20,504.38 = 7,432.32/x
  3. Step 3: Cross multiply
    13,669.32x = 20,504.38 × 7,432.32
  4. Step 4: Simplify right side
    13,669.32x = 152,395,113.56
  5. Step 5: Solve for x
    x = 152,395,113.56/13,669.32
  6. Step 6: Final answer
    x = 11,148.70

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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.