Home / 12,098.91-18,134.51-6,539.79

Finding the Fourth Proportional to 12,098.91, 18,134.51 and 6,539.79

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Solution

The fourth proportional to 12,098.91, 18,134.51 and 6,539.79 is: 9,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.91 : 18,134.51 = 6,539.79 : x
  2. Step 2: Convert to fraction form
    12,098.91/18,134.51 = 6,539.79/x
  3. Step 3: Cross multiply
    12,098.91x = 18,134.51 × 6,539.79
  4. Step 4: Simplify right side
    12,098.91x = 118,595,854.45
  5. Step 5: Solve for x
    x = 118,595,854.45/12,098.91
  6. Step 6: Final answer
    x = 9,802.19

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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.