Home / 9,820.68-13,553.88-6,677.88

Finding the Fourth Proportional to 9,820.68, 13,553.88 and 6,677.88

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Solution

The fourth proportional to 9,820.68, 13,553.88 and 6,677.88 is: 9,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.68 : 13,553.88 = 6,677.88 : x
  2. Step 2: Convert to fraction form
    9,820.68/13,553.88 = 6,677.88/x
  3. Step 3: Cross multiply
    9,820.68x = 13,553.88 × 6,677.88
  4. Step 4: Simplify right side
    9,820.68x = 90,511,184.17
  5. Step 5: Solve for x
    x = 90,511,184.17/9,820.68
  6. Step 6: Final answer
    x = 9,216.39

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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.