Home / 10,982.25-15,151.10-6,504.39

Finding the Fourth Proportional to 10,982.25, 15,151.10 and 6,504.39

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Solution

The fourth proportional to 10,982.25, 15,151.10 and 6,504.39 is: 8,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.25 : 15,151.10 = 6,504.39 : x
  2. Step 2: Convert to fraction form
    10,982.25/15,151.10 = 6,504.39/x
  3. Step 3: Cross multiply
    10,982.25x = 15,151.10 × 6,504.39
  4. Step 4: Simplify right side
    10,982.25x = 98,548,630.81
  5. Step 5: Solve for x
    x = 98,548,630.81/10,982.25
  6. Step 6: Final answer
    x = 8,973.45

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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.