Home / 10,206.50-14,085.18-5,730.66

Finding the Fourth Proportional to 10,206.50, 14,085.18 and 5,730.66

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Solution

The fourth proportional to 10,206.50, 14,085.18 and 5,730.66 is: 7,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.50 : 14,085.18 = 5,730.66 : x
  2. Step 2: Convert to fraction form
    10,206.50/14,085.18 = 5,730.66/x
  3. Step 3: Cross multiply
    10,206.50x = 14,085.18 × 5,730.66
  4. Step 4: Simplify right side
    10,206.50x = 80,717,377.62
  5. Step 5: Solve for x
    x = 80,717,377.62/10,206.50
  6. Step 6: Final answer
    x = 7,908.43

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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.