Home / 10,009.17-15,016.39-2,988.90

Finding the Fourth Proportional to 10,009.17, 15,016.39 and 2,988.90

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Solution

The fourth proportional to 10,009.17, 15,016.39 and 2,988.90 is: 4,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.17 : 15,016.39 = 2,988.90 : x
  2. Step 2: Convert to fraction form
    10,009.17/15,016.39 = 2,988.90/x
  3. Step 3: Cross multiply
    10,009.17x = 15,016.39 × 2,988.90
  4. Step 4: Simplify right side
    10,009.17x = 44,882,480.60
  5. Step 5: Solve for x
    x = 44,882,480.60/10,009.17
  6. Step 6: Final answer
    x = 4,484.14

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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.