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Finding the Fourth Proportional to 15,651.59, 23,477.54 and 3,964.82

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Solution

The fourth proportional to 15,651.59, 23,477.54 and 3,964.82 is: 5,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.59 : 23,477.54 = 3,964.82 : x
  2. Step 2: Convert to fraction form
    15,651.59/23,477.54 = 3,964.82/x
  3. Step 3: Cross multiply
    15,651.59x = 23,477.54 × 3,964.82
  4. Step 4: Simplify right side
    15,651.59x = 93,084,082.93
  5. Step 5: Solve for x
    x = 93,084,082.93/15,651.59
  6. Step 6: Final answer
    x = 5,947.26

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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.