Home / 19,317.30-28,952.55-8,200.65

Finding the Fourth Proportional to 19,317.30, 28,952.55 and 8,200.65

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Solution

The fourth proportional to 19,317.30, 28,952.55 and 8,200.65 is: 12,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.30 : 28,952.55 = 8,200.65 : x
  2. Step 2: Convert to fraction form
    19,317.30/28,952.55 = 8,200.65/x
  3. Step 3: Cross multiply
    19,317.30x = 28,952.55 × 8,200.65
  4. Step 4: Simplify right side
    19,317.30x = 237,429,729.16
  5. Step 5: Solve for x
    x = 237,429,729.16/19,317.30
  6. Step 6: Final answer
    x = 12,291.04

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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.