Home / 9,088.40-13,632.60-8,869.70

Finding the Fourth Proportional to 9,088.40, 13,632.60 and 8,869.70

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Solution

The fourth proportional to 9,088.40, 13,632.60 and 8,869.70 is: 13,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.40 : 13,632.60 = 8,869.70 : x
  2. Step 2: Convert to fraction form
    9,088.40/13,632.60 = 8,869.70/x
  3. Step 3: Cross multiply
    9,088.40x = 13,632.60 × 8,869.70
  4. Step 4: Simplify right side
    9,088.40x = 120,917,072.22
  5. Step 5: Solve for x
    x = 120,917,072.22/9,088.40
  6. Step 6: Final answer
    x = 13,304.55

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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.