Home / 15,794.46-23,689.80-12,287.97

Finding the Fourth Proportional to 15,794.46, 23,689.80 and 12,287.97

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Solution

The fourth proportional to 15,794.46, 23,689.80 and 12,287.97 is: 18,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.46 : 23,689.80 = 12,287.97 : x
  2. Step 2: Convert to fraction form
    15,794.46/23,689.80 = 12,287.97/x
  3. Step 3: Cross multiply
    15,794.46x = 23,689.80 × 12,287.97
  4. Step 4: Simplify right side
    15,794.46x = 291,099,551.71
  5. Step 5: Solve for x
    x = 291,099,551.71/15,794.46
  6. Step 6: Final answer
    x = 18,430.48

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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.