Home / 10,987.83-15,145.47-8,593.56

Finding the Fourth Proportional to 10,987.83, 15,145.47 and 8,593.56

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Solution

The fourth proportional to 10,987.83, 15,145.47 and 8,593.56 is: 11,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.83 : 15,145.47 = 8,593.56 : x
  2. Step 2: Convert to fraction form
    10,987.83/15,145.47 = 8,593.56/x
  3. Step 3: Cross multiply
    10,987.83x = 15,145.47 × 8,593.56
  4. Step 4: Simplify right side
    10,987.83x = 130,153,505.17
  5. Step 5: Solve for x
    x = 130,153,505.17/10,987.83
  6. Step 6: Final answer
    x = 11,845.24

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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.