Home / 13,207.68-19,822.46-6,635.76

Finding the Fourth Proportional to 13,207.68, 19,822.46 and 6,635.76

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Solution

The fourth proportional to 13,207.68, 19,822.46 and 6,635.76 is: 9,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.68 : 19,822.46 = 6,635.76 : x
  2. Step 2: Convert to fraction form
    13,207.68/19,822.46 = 6,635.76/x
  3. Step 3: Cross multiply
    13,207.68x = 19,822.46 × 6,635.76
  4. Step 4: Simplify right side
    13,207.68x = 131,537,087.17
  5. Step 5: Solve for x
    x = 131,537,087.17/13,207.68
  6. Step 6: Final answer
    x = 9,959.14

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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.