Home / 13,569.99-20,340.47-5,670.48

Finding the Fourth Proportional to 13,569.99, 20,340.47 and 5,670.48

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Solution

The fourth proportional to 13,569.99, 20,340.47 and 5,670.48 is: 8,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.99 : 20,340.47 = 5,670.48 : x
  2. Step 2: Convert to fraction form
    13,569.99/20,340.47 = 5,670.48/x
  3. Step 3: Cross multiply
    13,569.99x = 20,340.47 × 5,670.48
  4. Step 4: Simplify right side
    13,569.99x = 115,340,229.67
  5. Step 5: Solve for x
    x = 115,340,229.67/13,569.99
  6. Step 6: Final answer
    x = 8,499.65

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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.