Home / 10,621.65-14,657.88-5,905.92

Finding the Fourth Proportional to 10,621.65, 14,657.88 and 5,905.92

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Solution

The fourth proportional to 10,621.65, 14,657.88 and 5,905.92 is: 8,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.65 : 14,657.88 = 5,905.92 : x
  2. Step 2: Convert to fraction form
    10,621.65/14,657.88 = 5,905.92/x
  3. Step 3: Cross multiply
    10,621.65x = 14,657.88 × 5,905.92
  4. Step 4: Simplify right side
    10,621.65x = 86,568,266.65
  5. Step 5: Solve for x
    x = 86,568,266.65/10,621.65
  6. Step 6: Final answer
    x = 8,150.17

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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.