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Finding the Fourth Proportional to 11,277.52, 15,568.52 and 7,088.08

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Solution

The fourth proportional to 11,277.52, 15,568.52 and 7,088.08 is: 9,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.52 : 15,568.52 = 7,088.08 : x
  2. Step 2: Convert to fraction form
    11,277.52/15,568.52 = 7,088.08/x
  3. Step 3: Cross multiply
    11,277.52x = 15,568.52 × 7,088.08
  4. Step 4: Simplify right side
    11,277.52x = 110,350,915.24
  5. Step 5: Solve for x
    x = 110,350,915.24/11,277.52
  6. Step 6: Final answer
    x = 9,785.03

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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.