Home / 12,684.59-19,002.27-9,346.78

Finding the Fourth Proportional to 12,684.59, 19,002.27 and 9,346.78

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Solution

The fourth proportional to 12,684.59, 19,002.27 and 9,346.78 is: 14,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.59 : 19,002.27 = 9,346.78 : x
  2. Step 2: Convert to fraction form
    12,684.59/19,002.27 = 9,346.78/x
  3. Step 3: Cross multiply
    12,684.59x = 19,002.27 × 9,346.78
  4. Step 4: Simplify right side
    12,684.59x = 177,610,095.99
  5. Step 5: Solve for x
    x = 177,610,095.99/12,684.59
  6. Step 6: Final answer
    x = 14,002.04

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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.