Home / 10,216.80-15,317.41-5,283.29

Finding the Fourth Proportional to 10,216.80, 15,317.41 and 5,283.29

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Solution

The fourth proportional to 10,216.80, 15,317.41 and 5,283.29 is: 7,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.80 : 15,317.41 = 5,283.29 : x
  2. Step 2: Convert to fraction form
    10,216.80/15,317.41 = 5,283.29/x
  3. Step 3: Cross multiply
    10,216.80x = 15,317.41 × 5,283.29
  4. Step 4: Simplify right side
    10,216.80x = 80,926,319.08
  5. Step 5: Solve for x
    x = 80,926,319.08/10,216.80
  6. Step 6: Final answer
    x = 7,920.91

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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.