Home / 10,998.51-16,497.75-4,423.15

Finding the Fourth Proportional to 10,998.51, 16,497.75 and 4,423.15

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Solution

The fourth proportional to 10,998.51, 16,497.75 and 4,423.15 is: 6,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.51 : 16,497.75 = 4,423.15 : x
  2. Step 2: Convert to fraction form
    10,998.51/16,497.75 = 4,423.15/x
  3. Step 3: Cross multiply
    10,998.51x = 16,497.75 × 4,423.15
  4. Step 4: Simplify right side
    10,998.51x = 72,972,022.91
  5. Step 5: Solve for x
    x = 72,972,022.91/10,998.51
  6. Step 6: Final answer
    x = 6,634.72

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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.