Home / 9,257.14-13,886.08-7,708.06

Finding the Fourth Proportional to 9,257.14, 13,886.08 and 7,708.06

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Solution

The fourth proportional to 9,257.14, 13,886.08 and 7,708.06 is: 11,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.14 : 13,886.08 = 7,708.06 : x
  2. Step 2: Convert to fraction form
    9,257.14/13,886.08 = 7,708.06/x
  3. Step 3: Cross multiply
    9,257.14x = 13,886.08 × 7,708.06
  4. Step 4: Simplify right side
    9,257.14x = 107,034,737.80
  5. Step 5: Solve for x
    x = 107,034,737.80/9,257.14
  6. Step 6: Final answer
    x = 11,562.40

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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.