Home / 13,809.20-20,695.32-5,035.84

Finding the Fourth Proportional to 13,809.20, 20,695.32 and 5,035.84

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Solution

The fourth proportional to 13,809.20, 20,695.32 and 5,035.84 is: 7,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.20 : 20,695.32 = 5,035.84 : x
  2. Step 2: Convert to fraction form
    13,809.20/20,695.32 = 5,035.84/x
  3. Step 3: Cross multiply
    13,809.20x = 20,695.32 × 5,035.84
  4. Step 4: Simplify right side
    13,809.20x = 104,218,320.27
  5. Step 5: Solve for x
    x = 104,218,320.27/13,809.20
  6. Step 6: Final answer
    x = 7,547.02

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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.