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Finding the Fourth Proportional to 16,888.60, 25,332.90 and 5,200.30

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Solution

The fourth proportional to 16,888.60, 25,332.90 and 5,200.30 is: 7,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.60 : 25,332.90 = 5,200.30 : x
  2. Step 2: Convert to fraction form
    16,888.60/25,332.90 = 5,200.30/x
  3. Step 3: Cross multiply
    16,888.60x = 25,332.90 × 5,200.30
  4. Step 4: Simplify right side
    16,888.60x = 131,738,679.87
  5. Step 5: Solve for x
    x = 131,738,679.87/16,888.60
  6. Step 6: Final answer
    x = 7,800.45

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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.