Home / 13,900.04-20,831.98-10,601

Finding the Fourth Proportional to 13,900.04, 20,831.98 and 10,601

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Solution

The fourth proportional to 13,900.04, 20,831.98 and 10,601 is: 15,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.04 : 20,831.98 = 10,601 : x
  2. Step 2: Convert to fraction form
    13,900.04/20,831.98 = 10,601/x
  3. Step 3: Cross multiply
    13,900.04x = 20,831.98 × 10,601
  4. Step 4: Simplify right side
    13,900.04x = 220,839,819.98
  5. Step 5: Solve for x
    x = 220,839,819.98/13,900.04
  6. Step 6: Final answer
    x = 15,887.71

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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.