Home / 19,298.40-28,949.20-6,150.40

Finding the Fourth Proportional to 19,298.40, 28,949.20 and 6,150.40

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Solution

The fourth proportional to 19,298.40, 28,949.20 and 6,150.40 is: 9,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.40 : 28,949.20 = 6,150.40 : x
  2. Step 2: Convert to fraction form
    19,298.40/28,949.20 = 6,150.40/x
  3. Step 3: Cross multiply
    19,298.40x = 28,949.20 × 6,150.40
  4. Step 4: Simplify right side
    19,298.40x = 178,049,159.68
  5. Step 5: Solve for x
    x = 178,049,159.68/19,298.40
  6. Step 6: Final answer
    x = 9,226.11

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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.