Home / 19,292.28-28,930.50-6,141.12

Finding the Fourth Proportional to 19,292.28, 28,930.50 and 6,141.12

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Solution

The fourth proportional to 19,292.28, 28,930.50 and 6,141.12 is: 9,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.28 : 28,930.50 = 6,141.12 : x
  2. Step 2: Convert to fraction form
    19,292.28/28,930.50 = 6,141.12/x
  3. Step 3: Cross multiply
    19,292.28x = 28,930.50 × 6,141.12
  4. Step 4: Simplify right side
    19,292.28x = 177,665,672.16
  5. Step 5: Solve for x
    x = 177,665,672.16/19,292.28
  6. Step 6: Final answer
    x = 9,209.16

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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.