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Finding the Fourth Proportional to 8,877.64, 13,295.71 and 7,016.26

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Solution

The fourth proportional to 8,877.64, 13,295.71 and 7,016.26 is: 10,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.64 : 13,295.71 = 7,016.26 : x
  2. Step 2: Convert to fraction form
    8,877.64/13,295.71 = 7,016.26/x
  3. Step 3: Cross multiply
    8,877.64x = 13,295.71 × 7,016.26
  4. Step 4: Simplify right side
    8,877.64x = 93,286,158.24
  5. Step 5: Solve for x
    x = 93,286,158.24/8,877.64
  6. Step 6: Final answer
    x = 10,507.99

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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.