Home / 19,246.10-28,869.15-9,380.30

Finding the Fourth Proportional to 19,246.10, 28,869.15 and 9,380.30

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Solution

The fourth proportional to 19,246.10, 28,869.15 and 9,380.30 is: 14,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.10 : 28,869.15 = 9,380.30 : x
  2. Step 2: Convert to fraction form
    19,246.10/28,869.15 = 9,380.30/x
  3. Step 3: Cross multiply
    19,246.10x = 28,869.15 × 9,380.30
  4. Step 4: Simplify right side
    19,246.10x = 270,801,287.75
  5. Step 5: Solve for x
    x = 270,801,287.75/19,246.10
  6. Step 6: Final answer
    x = 14,070.45

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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.