Home / 10,988.96-15,165.28-6,020.96

Finding the Fourth Proportional to 10,988.96, 15,165.28 and 6,020.96

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Solution

The fourth proportional to 10,988.96, 15,165.28 and 6,020.96 is: 8,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.96 : 15,165.28 = 6,020.96 : x
  2. Step 2: Convert to fraction form
    10,988.96/15,165.28 = 6,020.96/x
  3. Step 3: Cross multiply
    10,988.96x = 15,165.28 × 6,020.96
  4. Step 4: Simplify right side
    10,988.96x = 91,309,544.27
  5. Step 5: Solve for x
    x = 91,309,544.27/10,988.96
  6. Step 6: Final answer
    x = 8,309.21

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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.