Home / 20,251.37-27,946.80-11,298.89

Finding the Fourth Proportional to 20,251.37, 27,946.80 and 11,298.89

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Solution

The fourth proportional to 20,251.37, 27,946.80 and 11,298.89 is: 15,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.37 : 27,946.80 = 11,298.89 : x
  2. Step 2: Convert to fraction form
    20,251.37/27,946.80 = 11,298.89/x
  3. Step 3: Cross multiply
    20,251.37x = 27,946.80 × 11,298.89
  4. Step 4: Simplify right side
    20,251.37x = 315,767,679.32
  5. Step 5: Solve for x
    x = 315,767,679.32/20,251.37
  6. Step 6: Final answer
    x = 15,592.41

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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.