Home / 19,290.76-28,938.42-6,808.18

Finding the Fourth Proportional to 19,290.76, 28,938.42 and 6,808.18

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Solution

The fourth proportional to 19,290.76, 28,938.42 and 6,808.18 is: 10,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.76 : 28,938.42 = 6,808.18 : x
  2. Step 2: Convert to fraction form
    19,290.76/28,938.42 = 6,808.18/x
  3. Step 3: Cross multiply
    19,290.76x = 28,938.42 × 6,808.18
  4. Step 4: Simplify right side
    19,290.76x = 197,017,972.28
  5. Step 5: Solve for x
    x = 197,017,972.28/19,290.76
  6. Step 6: Final answer
    x = 10,213.07

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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.