Home / 20,216.60-27,898.50-11,264.12

Finding the Fourth Proportional to 20,216.60, 27,898.50 and 11,264.12

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Solution

The fourth proportional to 20,216.60, 27,898.50 and 11,264.12 is: 15,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.60 : 27,898.50 = 11,264.12 : x
  2. Step 2: Convert to fraction form
    20,216.60/27,898.50 = 11,264.12/x
  3. Step 3: Cross multiply
    20,216.60x = 27,898.50 × 11,264.12
  4. Step 4: Simplify right side
    20,216.60x = 314,252,051.82
  5. Step 5: Solve for x
    x = 314,252,051.82/20,216.60
  6. Step 6: Final answer
    x = 15,544.26

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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.