Home / 8,698.43-13,047.65-2,124.61

Finding the Fourth Proportional to 8,698.43, 13,047.65 and 2,124.61

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Solution

The fourth proportional to 8,698.43, 13,047.65 and 2,124.61 is: 3,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.43 : 13,047.65 = 2,124.61 : x
  2. Step 2: Convert to fraction form
    8,698.43/13,047.65 = 2,124.61/x
  3. Step 3: Cross multiply
    8,698.43x = 13,047.65 × 2,124.61
  4. Step 4: Simplify right side
    8,698.43x = 27,721,167.67
  5. Step 5: Solve for x
    x = 27,721,167.67/8,698.43
  6. Step 6: Final answer
    x = 3,186.92

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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.