Home / 13,340.63-20,007.90-5,021.52

Finding the Fourth Proportional to 13,340.63, 20,007.90 and 5,021.52

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Solution

The fourth proportional to 13,340.63, 20,007.90 and 5,021.52 is: 7,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.63 : 20,007.90 = 5,021.52 : x
  2. Step 2: Convert to fraction form
    13,340.63/20,007.90 = 5,021.52/x
  3. Step 3: Cross multiply
    13,340.63x = 20,007.90 × 5,021.52
  4. Step 4: Simplify right side
    13,340.63x = 100,470,070.01
  5. Step 5: Solve for x
    x = 100,470,070.01/13,340.63
  6. Step 6: Final answer
    x = 7,531.14

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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.