Home / 13,632.30-20,448.45-4,866.08

Finding the Fourth Proportional to 13,632.30, 20,448.45 and 4,866.08

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Solution

The fourth proportional to 13,632.30, 20,448.45 and 4,866.08 is: 7,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.30 : 20,448.45 = 4,866.08 : x
  2. Step 2: Convert to fraction form
    13,632.30/20,448.45 = 4,866.08/x
  3. Step 3: Cross multiply
    13,632.30x = 20,448.45 × 4,866.08
  4. Step 4: Simplify right side
    13,632.30x = 99,503,691.33
  5. Step 5: Solve for x
    x = 99,503,691.33/13,632.30
  6. Step 6: Final answer
    x = 7,299.11

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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.