Home / 12,022.03-18,008.56-9,808.75

Finding the Fourth Proportional to 12,022.03, 18,008.56 and 9,808.75

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Solution

The fourth proportional to 12,022.03, 18,008.56 and 9,808.75 is: 14,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.03 : 18,008.56 = 9,808.75 : x
  2. Step 2: Convert to fraction form
    12,022.03/18,008.56 = 9,808.75/x
  3. Step 3: Cross multiply
    12,022.03x = 18,008.56 × 9,808.75
  4. Step 4: Simplify right side
    12,022.03x = 176,641,462.90
  5. Step 5: Solve for x
    x = 176,641,462.90/12,022.03
  6. Step 6: Final answer
    x = 14,693.15

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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.