Home / 13,007.53-19,514.67-3,647.58

Finding the Fourth Proportional to 13,007.53, 19,514.67 and 3,647.58

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Solution

The fourth proportional to 13,007.53, 19,514.67 and 3,647.58 is: 5,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.53 : 19,514.67 = 3,647.58 : x
  2. Step 2: Convert to fraction form
    13,007.53/19,514.67 = 3,647.58/x
  3. Step 3: Cross multiply
    13,007.53x = 19,514.67 × 3,647.58
  4. Step 4: Simplify right side
    13,007.53x = 71,181,320.00
  5. Step 5: Solve for x
    x = 71,181,320.00/13,007.53
  6. Step 6: Final answer
    x = 5,472.32

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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.