Home / 8,683.17-13,040.11-7,988.33

Finding the Fourth Proportional to 8,683.17, 13,040.11 and 7,988.33

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Solution

The fourth proportional to 8,683.17, 13,040.11 and 7,988.33 is: 11,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.17 : 13,040.11 = 7,988.33 : x
  2. Step 2: Convert to fraction form
    8,683.17/13,040.11 = 7,988.33/x
  3. Step 3: Cross multiply
    8,683.17x = 13,040.11 × 7,988.33
  4. Step 4: Simplify right side
    8,683.17x = 104,168,744.50
  5. Step 5: Solve for x
    x = 104,168,744.50/8,683.17
  6. Step 6: Final answer
    x = 11,996.63

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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.