Home / 19,116.60-28,674.87-12,541.23

Finding the Fourth Proportional to 19,116.60, 28,674.87 and 12,541.23

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Solution

The fourth proportional to 19,116.60, 28,674.87 and 12,541.23 is: 18,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.60 : 28,674.87 = 12,541.23 : x
  2. Step 2: Convert to fraction form
    19,116.60/28,674.87 = 12,541.23/x
  3. Step 3: Cross multiply
    19,116.60x = 28,674.87 × 12,541.23
  4. Step 4: Simplify right side
    19,116.60x = 359,618,139.89
  5. Step 5: Solve for x
    x = 359,618,139.89/19,116.60
  6. Step 6: Final answer
    x = 18,811.83

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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.