Home / 19,517.29-29,277.65-5,477.42

Finding the Fourth Proportional to 19,517.29, 29,277.65 and 5,477.42

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Solution

The fourth proportional to 19,517.29, 29,277.65 and 5,477.42 is: 8,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.29 : 29,277.65 = 5,477.42 : x
  2. Step 2: Convert to fraction form
    19,517.29/29,277.65 = 5,477.42/x
  3. Step 3: Cross multiply
    19,517.29x = 29,277.65 × 5,477.42
  4. Step 4: Simplify right side
    19,517.29x = 160,366,072.55
  5. Step 5: Solve for x
    x = 160,366,072.55/19,517.29
  6. Step 6: Final answer
    x = 8,216.62

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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.