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Finding the Fourth Proportional to 17,299.59, 25,948.15 and 9,880.80

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Solution

The fourth proportional to 17,299.59, 25,948.15 and 9,880.80 is: 14,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,299.59 : 25,948.15 = 9,880.80 : x
  2. Step 2: Convert to fraction form
    17,299.59/25,948.15 = 9,880.80/x
  3. Step 3: Cross multiply
    17,299.59x = 25,948.15 × 9,880.80
  4. Step 4: Simplify right side
    17,299.59x = 256,388,480.52
  5. Step 5: Solve for x
    x = 256,388,480.52/17,299.59
  6. Step 6: Final answer
    x = 14,820.49

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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.