Home / 9,314.80-13,972.32-2,389.12

Finding the Fourth Proportional to 9,314.80, 13,972.32 and 2,389.12

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Solution

The fourth proportional to 9,314.80, 13,972.32 and 2,389.12 is: 3,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.80 : 13,972.32 = 2,389.12 : x
  2. Step 2: Convert to fraction form
    9,314.80/13,972.32 = 2,389.12/x
  3. Step 3: Cross multiply
    9,314.80x = 13,972.32 × 2,389.12
  4. Step 4: Simplify right side
    9,314.80x = 33,381,549.16
  5. Step 5: Solve for x
    x = 33,381,549.16/9,314.80
  6. Step 6: Final answer
    x = 3,583.71

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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.