Home / 10,320.66-15,474.51-6,806.88

Finding the Fourth Proportional to 10,320.66, 15,474.51 and 6,806.88

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Solution

The fourth proportional to 10,320.66, 15,474.51 and 6,806.88 is: 10,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.66 : 15,474.51 = 6,806.88 : x
  2. Step 2: Convert to fraction form
    10,320.66/15,474.51 = 6,806.88/x
  3. Step 3: Cross multiply
    10,320.66x = 15,474.51 × 6,806.88
  4. Step 4: Simplify right side
    10,320.66x = 105,333,132.63
  5. Step 5: Solve for x
    x = 105,333,132.63/10,320.66
  6. Step 6: Final answer
    x = 10,206.05

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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.