Home / 17,904.69-26,857.56-8,545.70

Finding the Fourth Proportional to 17,904.69, 26,857.56 and 8,545.70

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Solution

The fourth proportional to 17,904.69, 26,857.56 and 8,545.70 is: 12,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.69 : 26,857.56 = 8,545.70 : x
  2. Step 2: Convert to fraction form
    17,904.69/26,857.56 = 8,545.70/x
  3. Step 3: Cross multiply
    17,904.69x = 26,857.56 × 8,545.70
  4. Step 4: Simplify right side
    17,904.69x = 229,516,516.20
  5. Step 5: Solve for x
    x = 229,516,516.20/17,904.69
  6. Step 6: Final answer
    x = 12,818.79

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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.