Home / 18,440.40-27,666.14-8,585.52

Finding the Fourth Proportional to 18,440.40, 27,666.14 and 8,585.52

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Solution

The fourth proportional to 18,440.40, 27,666.14 and 8,585.52 is: 12,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.40 : 27,666.14 = 8,585.52 : x
  2. Step 2: Convert to fraction form
    18,440.40/27,666.14 = 8,585.52/x
  3. Step 3: Cross multiply
    18,440.40x = 27,666.14 × 8,585.52
  4. Step 4: Simplify right side
    18,440.40x = 237,528,198.29
  5. Step 5: Solve for x
    x = 237,528,198.29/18,440.40
  6. Step 6: Final answer
    x = 12,880.86

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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.