Home / 18,689.67-28,036.13-6,846.66

Finding the Fourth Proportional to 18,689.67, 28,036.13 and 6,846.66

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Solution

The fourth proportional to 18,689.67, 28,036.13 and 6,846.66 is: 10,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689.67 : 28,036.13 = 6,846.66 : x
  2. Step 2: Convert to fraction form
    18,689.67/28,036.13 = 6,846.66/x
  3. Step 3: Cross multiply
    18,689.67x = 28,036.13 × 6,846.66
  4. Step 4: Simplify right side
    18,689.67x = 191,953,815.59
  5. Step 5: Solve for x
    x = 191,953,815.59/18,689.67
  6. Step 6: Final answer
    x = 10,270.58

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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.