Home / 13,901.34-20,857.95-9,222.99

Finding the Fourth Proportional to 13,901.34, 20,857.95 and 9,222.99

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Solution

The fourth proportional to 13,901.34, 20,857.95 and 9,222.99 is: 13,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.34 : 20,857.95 = 9,222.99 : x
  2. Step 2: Convert to fraction form
    13,901.34/20,857.95 = 9,222.99/x
  3. Step 3: Cross multiply
    13,901.34x = 20,857.95 × 9,222.99
  4. Step 4: Simplify right side
    13,901.34x = 192,372,664.27
  5. Step 5: Solve for x
    x = 192,372,664.27/13,901.34
  6. Step 6: Final answer
    x = 13,838.43

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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.