Home / 19,074.08-28,614.42-6,422.62

Finding the Fourth Proportional to 19,074.08, 28,614.42 and 6,422.62

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Solution

The fourth proportional to 19,074.08, 28,614.42 and 6,422.62 is: 9,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.08 : 28,614.42 = 6,422.62 : x
  2. Step 2: Convert to fraction form
    19,074.08/28,614.42 = 6,422.62/x
  3. Step 3: Cross multiply
    19,074.08x = 28,614.42 × 6,422.62
  4. Step 4: Simplify right side
    19,074.08x = 183,779,546.18
  5. Step 5: Solve for x
    x = 183,779,546.18/19,074.08
  6. Step 6: Final answer
    x = 9,635.04

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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.