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Finding the Fourth Proportional to 10,888.53, 16,332.74 and 3,963.03

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Solution

The fourth proportional to 10,888.53, 16,332.74 and 3,963.03 is: 5,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.53 : 16,332.74 = 3,963.03 : x
  2. Step 2: Convert to fraction form
    10,888.53/16,332.74 = 3,963.03/x
  3. Step 3: Cross multiply
    10,888.53x = 16,332.74 × 3,963.03
  4. Step 4: Simplify right side
    10,888.53x = 64,727,118.79
  5. Step 5: Solve for x
    x = 64,727,118.79/10,888.53
  6. Step 6: Final answer
    x = 5,944.52

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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.