Home / 13,008.66-19,509.51-3,648.12

Finding the Fourth Proportional to 13,008.66, 19,509.51 and 3,648.12

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Solution

The fourth proportional to 13,008.66, 19,509.51 and 3,648.12 is: 5,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.66 : 19,509.51 = 3,648.12 : x
  2. Step 2: Convert to fraction form
    13,008.66/19,509.51 = 3,648.12/x
  3. Step 3: Cross multiply
    13,008.66x = 19,509.51 × 3,648.12
  4. Step 4: Simplify right side
    13,008.66x = 71,173,033.62
  5. Step 5: Solve for x
    x = 71,173,033.62/13,008.66
  6. Step 6: Final answer
    x = 5,471.20

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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.