Home / 10,976.24-15,142.55-6,996.51

Finding the Fourth Proportional to 10,976.24, 15,142.55 and 6,996.51

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Solution

The fourth proportional to 10,976.24, 15,142.55 and 6,996.51 is: 9,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.24 : 15,142.55 = 6,996.51 : x
  2. Step 2: Convert to fraction form
    10,976.24/15,142.55 = 6,996.51/x
  3. Step 3: Cross multiply
    10,976.24x = 15,142.55 × 6,996.51
  4. Step 4: Simplify right side
    10,976.24x = 105,944,967.52
  5. Step 5: Solve for x
    x = 105,944,967.52/10,976.24
  6. Step 6: Final answer
    x = 9,652.21

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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.