Home / 10,982.43-15,156.05-6,507.18

Finding the Fourth Proportional to 10,982.43, 15,156.05 and 6,507.18

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Solution

The fourth proportional to 10,982.43, 15,156.05 and 6,507.18 is: 8,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.43 : 15,156.05 = 6,507.18 : x
  2. Step 2: Convert to fraction form
    10,982.43/15,156.05 = 6,507.18/x
  3. Step 3: Cross multiply
    10,982.43x = 15,156.05 × 6,507.18
  4. Step 4: Simplify right side
    10,982.43x = 98,623,112.90
  5. Step 5: Solve for x
    x = 98,623,112.90/10,982.43
  6. Step 6: Final answer
    x = 8,980.08

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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.