Home / 10,266.60-15,399.85-4,022.20

Finding the Fourth Proportional to 10,266.60, 15,399.85 and 4,022.20

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Solution

The fourth proportional to 10,266.60, 15,399.85 and 4,022.20 is: 6,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.60 : 15,399.85 = 4,022.20 : x
  2. Step 2: Convert to fraction form
    10,266.60/15,399.85 = 4,022.20/x
  3. Step 3: Cross multiply
    10,266.60x = 15,399.85 × 4,022.20
  4. Step 4: Simplify right side
    10,266.60x = 61,941,303.08
  5. Step 5: Solve for x
    x = 61,941,303.08/10,266.60
  6. Step 6: Final answer
    x = 6,033.28

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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.