Home / 20,110.14-27,752.22-11,157.93

Finding the Fourth Proportional to 20,110.14, 27,752.22 and 11,157.93

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Solution

The fourth proportional to 20,110.14, 27,752.22 and 11,157.93 is: 15,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.14 : 27,752.22 = 11,157.93 : x
  2. Step 2: Convert to fraction form
    20,110.14/27,752.22 = 11,157.93/x
  3. Step 3: Cross multiply
    20,110.14x = 27,752.22 × 11,157.93
  4. Step 4: Simplify right side
    20,110.14x = 309,657,328.10
  5. Step 5: Solve for x
    x = 309,657,328.10/20,110.14
  6. Step 6: Final answer
    x = 15,398.07

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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.