Home / 14,639.65-20,202.60-8,266.18

Finding the Fourth Proportional to 14,639.65, 20,202.60 and 8,266.18

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Solution

The fourth proportional to 14,639.65, 20,202.60 and 8,266.18 is: 11,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.65 : 20,202.60 = 8,266.18 : x
  2. Step 2: Convert to fraction form
    14,639.65/20,202.60 = 8,266.18/x
  3. Step 3: Cross multiply
    14,639.65x = 20,202.60 × 8,266.18
  4. Step 4: Simplify right side
    14,639.65x = 166,998,277.56
  5. Step 5: Solve for x
    x = 166,998,277.56/14,639.65
  6. Step 6: Final answer
    x = 11,407.26

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1.5x scale

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.