Home / 10,972.80-16,437.60-6,577.20

Finding the Fourth Proportional to 10,972.80, 16,437.60 and 6,577.20

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Solution

The fourth proportional to 10,972.80, 16,437.60 and 6,577.20 is: 9,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.80 : 16,437.60 = 6,577.20 : x
  2. Step 2: Convert to fraction form
    10,972.80/16,437.60 = 6,577.20/x
  3. Step 3: Cross multiply
    10,972.80x = 16,437.60 × 6,577.20
  4. Step 4: Simplify right side
    10,972.80x = 108,113,382.72
  5. Step 5: Solve for x
    x = 108,113,382.72/10,972.80
  6. Step 6: Final answer
    x = 9,852.85

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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.