Home / 15,144.32-22,720.14-4,756.07

Finding the Fourth Proportional to 15,144.32, 22,720.14 and 4,756.07

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Solution

The fourth proportional to 15,144.32, 22,720.14 and 4,756.07 is: 7,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.32 : 22,720.14 = 4,756.07 : x
  2. Step 2: Convert to fraction form
    15,144.32/22,720.14 = 4,756.07/x
  3. Step 3: Cross multiply
    15,144.32x = 22,720.14 × 4,756.07
  4. Step 4: Simplify right side
    15,144.32x = 108,058,576.25
  5. Step 5: Solve for x
    x = 108,058,576.25/15,144.32
  6. Step 6: Final answer
    x = 7,135.25

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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.