Home / 13,512.56-18,647.15-7,544.32

Finding the Fourth Proportional to 13,512.56, 18,647.15 and 7,544.32

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Solution

The fourth proportional to 13,512.56, 18,647.15 and 7,544.32 is: 10,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.56 : 18,647.15 = 7,544.32 : x
  2. Step 2: Convert to fraction form
    13,512.56/18,647.15 = 7,544.32/x
  3. Step 3: Cross multiply
    13,512.56x = 18,647.15 × 7,544.32
  4. Step 4: Simplify right side
    13,512.56x = 140,679,982.35
  5. Step 5: Solve for x
    x = 140,679,982.35/13,512.56
  6. Step 6: Final answer
    x = 10,411.06

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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.