Home / 18,184.34-27,276.42-12,556.46

Finding the Fourth Proportional to 18,184.34, 27,276.42 and 12,556.46

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Solution

The fourth proportional to 18,184.34, 27,276.42 and 12,556.46 is: 18,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.34 : 27,276.42 = 12,556.46 : x
  2. Step 2: Convert to fraction form
    18,184.34/27,276.42 = 12,556.46/x
  3. Step 3: Cross multiply
    18,184.34x = 27,276.42 × 12,556.46
  4. Step 4: Simplify right side
    18,184.34x = 342,495,276.67
  5. Step 5: Solve for x
    x = 342,495,276.67/18,184.34
  6. Step 6: Final answer
    x = 18,834.63

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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.