Home / 15,019.74-22,531.32-5,157.18

Finding the Fourth Proportional to 15,019.74, 22,531.32 and 5,157.18

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Solution

The fourth proportional to 15,019.74, 22,531.32 and 5,157.18 is: 7,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.74 : 22,531.32 = 5,157.18 : x
  2. Step 2: Convert to fraction form
    15,019.74/22,531.32 = 5,157.18/x
  3. Step 3: Cross multiply
    15,019.74x = 22,531.32 × 5,157.18
  4. Step 4: Simplify right side
    15,019.74x = 116,198,072.88
  5. Step 5: Solve for x
    x = 116,198,072.88/15,019.74
  6. Step 6: Final answer
    x = 7,736.36

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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.