Home / 19,585.20-29,366.88-6,436.56

Finding the Fourth Proportional to 19,585.20, 29,366.88 and 6,436.56

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Solution

The fourth proportional to 19,585.20, 29,366.88 and 6,436.56 is: 9,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.20 : 29,366.88 = 6,436.56 : x
  2. Step 2: Convert to fraction form
    19,585.20/29,366.88 = 6,436.56/x
  3. Step 3: Cross multiply
    19,585.20x = 29,366.88 × 6,436.56
  4. Step 4: Simplify right side
    19,585.20x = 189,021,685.13
  5. Step 5: Solve for x
    x = 189,021,685.13/19,585.20
  6. Step 6: Final answer
    x = 9,651.25

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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.