Home / 10,206.86-14,086.91-5,730.96

Finding the Fourth Proportional to 10,206.86, 14,086.91 and 5,730.96

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Solution

The fourth proportional to 10,206.86, 14,086.91 and 5,730.96 is: 7,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.86 : 14,086.91 = 5,730.96 : x
  2. Step 2: Convert to fraction form
    10,206.86/14,086.91 = 5,730.96/x
  3. Step 3: Cross multiply
    10,206.86x = 14,086.91 × 5,730.96
  4. Step 4: Simplify right side
    10,206.86x = 80,731,479.24
  5. Step 5: Solve for x
    x = 80,731,479.24/10,206.86
  6. Step 6: Final answer
    x = 7,909.53

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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.