Home / 13,972.50-20,953.89-5,202.63

Finding the Fourth Proportional to 13,972.50, 20,953.89 and 5,202.63

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Solution

The fourth proportional to 13,972.50, 20,953.89 and 5,202.63 is: 7,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.50 : 20,953.89 = 5,202.63 : x
  2. Step 2: Convert to fraction form
    13,972.50/20,953.89 = 5,202.63/x
  3. Step 3: Cross multiply
    13,972.50x = 20,953.89 × 5,202.63
  4. Step 4: Simplify right side
    13,972.50x = 109,015,336.73
  5. Step 5: Solve for x
    x = 109,015,336.73/13,972.50
  6. Step 6: Final answer
    x = 7,802.14

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1.5x scale

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.