Home / 9,660.24-13,331.32-6,305.20

Finding the Fourth Proportional to 9,660.24, 13,331.32 and 6,305.20

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Solution

The fourth proportional to 9,660.24, 13,331.32 and 6,305.20 is: 8,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.24 : 13,331.32 = 6,305.20 : x
  2. Step 2: Convert to fraction form
    9,660.24/13,331.32 = 6,305.20/x
  3. Step 3: Cross multiply
    9,660.24x = 13,331.32 × 6,305.20
  4. Step 4: Simplify right side
    9,660.24x = 84,056,638.86
  5. Step 5: Solve for x
    x = 84,056,638.86/9,660.24
  6. Step 6: Final answer
    x = 8,701.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.