Home / 8,698.24-11,998.23-7,686.70

Finding the Fourth Proportional to 8,698.24, 11,998.23 and 7,686.70

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Solution

The fourth proportional to 8,698.24, 11,998.23 and 7,686.70 is: 10,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.24 : 11,998.23 = 7,686.70 : x
  2. Step 2: Convert to fraction form
    8,698.24/11,998.23 = 7,686.70/x
  3. Step 3: Cross multiply
    8,698.24x = 11,998.23 × 7,686.70
  4. Step 4: Simplify right side
    8,698.24x = 92,226,794.54
  5. Step 5: Solve for x
    x = 92,226,794.54/8,698.24
  6. Step 6: Final answer
    x = 10,602.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.