Home / 10,012.42-15,010.53-6,115.51

Finding the Fourth Proportional to 10,012.42, 15,010.53 and 6,115.51

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Solution

The fourth proportional to 10,012.42, 15,010.53 and 6,115.51 is: 9,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.42 : 15,010.53 = 6,115.51 : x
  2. Step 2: Convert to fraction form
    10,012.42/15,010.53 = 6,115.51/x
  3. Step 3: Cross multiply
    10,012.42x = 15,010.53 × 6,115.51
  4. Step 4: Simplify right side
    10,012.42x = 91,797,046.32
  5. Step 5: Solve for x
    x = 91,797,046.32/10,012.42
  6. Step 6: Final answer
    x = 9,168.32

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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.