Home / 10,517.37-15,754.59-6,555.66

Finding the Fourth Proportional to 10,517.37, 15,754.59 and 6,555.66

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Solution

The fourth proportional to 10,517.37, 15,754.59 and 6,555.66 is: 9,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.37 : 15,754.59 = 6,555.66 : x
  2. Step 2: Convert to fraction form
    10,517.37/15,754.59 = 6,555.66/x
  3. Step 3: Cross multiply
    10,517.37x = 15,754.59 × 6,555.66
  4. Step 4: Simplify right side
    10,517.37x = 103,281,735.48
  5. Step 5: Solve for x
    x = 103,281,735.48/10,517.37
  6. Step 6: Final answer
    x = 9,820.11

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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.