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Finding the Fourth Proportional to 17,352.98, 26,043.15 and 8,919.15

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Solution

The fourth proportional to 17,352.98, 26,043.15 and 8,919.15 is: 13,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,352.98 : 26,043.15 = 8,919.15 : x
  2. Step 2: Convert to fraction form
    17,352.98/26,043.15 = 8,919.15/x
  3. Step 3: Cross multiply
    17,352.98x = 26,043.15 × 8,919.15
  4. Step 4: Simplify right side
    17,352.98x = 232,282,697.11
  5. Step 5: Solve for x
    x = 232,282,697.11/17,352.98
  6. Step 6: Final answer
    x = 13,385.75

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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.