Home / 15,975.90-23,975.19-7,218.18

Finding the Fourth Proportional to 15,975.90, 23,975.19 and 7,218.18

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Solution

The fourth proportional to 15,975.90, 23,975.19 and 7,218.18 is: 10,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.90 : 23,975.19 = 7,218.18 : x
  2. Step 2: Convert to fraction form
    15,975.90/23,975.19 = 7,218.18/x
  3. Step 3: Cross multiply
    15,975.90x = 23,975.19 × 7,218.18
  4. Step 4: Simplify right side
    15,975.90x = 173,057,236.95
  5. Step 5: Solve for x
    x = 173,057,236.95/15,975.90
  6. Step 6: Final answer
    x = 10,832.39

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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.