Home / 9,617.80-14,426.70-5,456.20

Finding the Fourth Proportional to 9,617.80, 14,426.70 and 5,456.20

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Solution

The fourth proportional to 9,617.80, 14,426.70 and 5,456.20 is: 8,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.80 : 14,426.70 = 5,456.20 : x
  2. Step 2: Convert to fraction form
    9,617.80/14,426.70 = 5,456.20/x
  3. Step 3: Cross multiply
    9,617.80x = 14,426.70 × 5,456.20
  4. Step 4: Simplify right side
    9,617.80x = 78,714,960.54
  5. Step 5: Solve for x
    x = 78,714,960.54/9,617.80
  6. Step 6: Final answer
    x = 8,184.30

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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.