Home / 13,569.08-20,356.80-4,208.62

Finding the Fourth Proportional to 13,569.08, 20,356.80 and 4,208.62

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Solution

The fourth proportional to 13,569.08, 20,356.80 and 4,208.62 is: 6,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.08 : 20,356.80 = 4,208.62 : x
  2. Step 2: Convert to fraction form
    13,569.08/20,356.80 = 4,208.62/x
  3. Step 3: Cross multiply
    13,569.08x = 20,356.80 × 4,208.62
  4. Step 4: Simplify right side
    13,569.08x = 85,674,035.62
  5. Step 5: Solve for x
    x = 85,674,035.62/13,569.08
  6. Step 6: Final answer
    x = 6,313.92

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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.