Home / 10,216.65-15,337.93-8,687.37

Finding the Fourth Proportional to 10,216.65, 15,337.93 and 8,687.37

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Solution

The fourth proportional to 10,216.65, 15,337.93 and 8,687.37 is: 13,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.65 : 15,337.93 = 8,687.37 : x
  2. Step 2: Convert to fraction form
    10,216.65/15,337.93 = 8,687.37/x
  3. Step 3: Cross multiply
    10,216.65x = 15,337.93 × 8,687.37
  4. Step 4: Simplify right side
    10,216.65x = 133,246,272.94
  5. Step 5: Solve for x
    x = 133,246,272.94/10,216.65
  6. Step 6: Final answer
    x = 13,042.07

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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.