Home / 13,660.32-20,473.92-6,254.40

Finding the Fourth Proportional to 13,660.32, 20,473.92 and 6,254.40

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Solution

The fourth proportional to 13,660.32, 20,473.92 and 6,254.40 is: 9,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.32 : 20,473.92 = 6,254.40 : x
  2. Step 2: Convert to fraction form
    13,660.32/20,473.92 = 6,254.40/x
  3. Step 3: Cross multiply
    13,660.32x = 20,473.92 × 6,254.40
  4. Step 4: Simplify right side
    13,660.32x = 128,052,085.25
  5. Step 5: Solve for x
    x = 128,052,085.25/13,660.32
  6. Step 6: Final answer
    x = 9,374.02

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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.