Home / 13,005.02-19,508.70-3,645.14

Finding the Fourth Proportional to 13,005.02, 19,508.70 and 3,645.14

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Solution

The fourth proportional to 13,005.02, 19,508.70 and 3,645.14 is: 5,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.02 : 19,508.70 = 3,645.14 : x
  2. Step 2: Convert to fraction form
    13,005.02/19,508.70 = 3,645.14/x
  3. Step 3: Cross multiply
    13,005.02x = 19,508.70 × 3,645.14
  4. Step 4: Simplify right side
    13,005.02x = 71,111,942.72
  5. Step 5: Solve for x
    x = 71,111,942.72/13,005.02
  6. Step 6: Final answer
    x = 5,468.04

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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.