Home / 13,617.84-18,802.08-10,481.52

Finding the Fourth Proportional to 13,617.84, 18,802.08 and 10,481.52

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Solution

The fourth proportional to 13,617.84, 18,802.08 and 10,481.52 is: 14,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.84 : 18,802.08 = 10,481.52 : x
  2. Step 2: Convert to fraction form
    13,617.84/18,802.08 = 10,481.52/x
  3. Step 3: Cross multiply
    13,617.84x = 18,802.08 × 10,481.52
  4. Step 4: Simplify right side
    13,617.84x = 197,074,377.56
  5. Step 5: Solve for x
    x = 197,074,377.56/13,617.84
  6. Step 6: Final answer
    x = 14,471.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.