Home / 9,656.20-13,331.70-6,636.28

Finding the Fourth Proportional to 9,656.20, 13,331.70 and 6,636.28

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Solution

The fourth proportional to 9,656.20, 13,331.70 and 6,636.28 is: 9,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,656.20 : 13,331.70 = 6,636.28 : x
  2. Step 2: Convert to fraction form
    9,656.20/13,331.70 = 6,636.28/x
  3. Step 3: Cross multiply
    9,656.20x = 13,331.70 × 6,636.28
  4. Step 4: Simplify right side
    9,656.20x = 88,472,894.08
  5. Step 5: Solve for x
    x = 88,472,894.08/9,656.20
  6. Step 6: Final answer
    x = 9,162.29

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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.