Home / 19,240.68-28,867.50-9,378.12

Finding the Fourth Proportional to 19,240.68, 28,867.50 and 9,378.12

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Solution

The fourth proportional to 19,240.68, 28,867.50 and 9,378.12 is: 14,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.68 : 28,867.50 = 9,378.12 : x
  2. Step 2: Convert to fraction form
    19,240.68/28,867.50 = 9,378.12/x
  3. Step 3: Cross multiply
    19,240.68x = 28,867.50 × 9,378.12
  4. Step 4: Simplify right side
    19,240.68x = 270,722,879.10
  5. Step 5: Solve for x
    x = 270,722,879.10/19,240.68
  6. Step 6: Final answer
    x = 14,070.34

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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.