Home / 18,344.16-25,314.93-9,960.66

Finding the Fourth Proportional to 18,344.16, 25,314.93 and 9,960.66

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Solution

The fourth proportional to 18,344.16, 25,314.93 and 9,960.66 is: 13,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.16 : 25,314.93 = 9,960.66 : x
  2. Step 2: Convert to fraction form
    18,344.16/25,314.93 = 9,960.66/x
  3. Step 3: Cross multiply
    18,344.16x = 25,314.93 × 9,960.66
  4. Step 4: Simplify right side
    18,344.16x = 252,153,410.65
  5. Step 5: Solve for x
    x = 252,153,410.65/18,344.16
  6. Step 6: Final answer
    x = 13,745.70

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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.