Home / 10,297.80-15,433.02-5,619.96

Finding the Fourth Proportional to 10,297.80, 15,433.02 and 5,619.96

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Solution

The fourth proportional to 10,297.80, 15,433.02 and 5,619.96 is: 8,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.80 : 15,433.02 = 5,619.96 : x
  2. Step 2: Convert to fraction form
    10,297.80/15,433.02 = 5,619.96/x
  3. Step 3: Cross multiply
    10,297.80x = 15,433.02 × 5,619.96
  4. Step 4: Simplify right side
    10,297.80x = 86,732,955.08
  5. Step 5: Solve for x
    x = 86,732,955.08/10,297.80
  6. Step 6: Final answer
    x = 8,422.47

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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.