Home / 12,020.03-18,005.56-9,806.75

Finding the Fourth Proportional to 12,020.03, 18,005.56 and 9,806.75

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Solution

The fourth proportional to 12,020.03, 18,005.56 and 9,806.75 is: 14,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.03 : 18,005.56 = 9,806.75 : x
  2. Step 2: Convert to fraction form
    12,020.03/18,005.56 = 9,806.75/x
  3. Step 3: Cross multiply
    12,020.03x = 18,005.56 × 9,806.75
  4. Step 4: Simplify right side
    12,020.03x = 176,576,025.53
  5. Step 5: Solve for x
    x = 176,576,025.53/12,020.03
  6. Step 6: Final answer
    x = 14,690.15

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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.