Home / 10,814.31-16,221.47-4,658.31

Finding the Fourth Proportional to 10,814.31, 16,221.47 and 4,658.31

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Solution

The fourth proportional to 10,814.31, 16,221.47 and 4,658.31 is: 6,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.31 : 16,221.47 = 4,658.31 : x
  2. Step 2: Convert to fraction form
    10,814.31/16,221.47 = 4,658.31/x
  3. Step 3: Cross multiply
    10,814.31x = 16,221.47 × 4,658.31
  4. Step 4: Simplify right side
    10,814.31x = 75,564,612.62
  5. Step 5: Solve for x
    x = 75,564,612.62/10,814.31
  6. Step 6: Final answer
    x = 6,987.47

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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.