Home / 20,064.54-27,686.34-11,109.84

Finding the Fourth Proportional to 20,064.54, 27,686.34 and 11,109.84

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Solution

The fourth proportional to 20,064.54, 27,686.34 and 11,109.84 is: 15,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.54 : 27,686.34 = 11,109.84 : x
  2. Step 2: Convert to fraction form
    20,064.54/27,686.34 = 11,109.84/x
  3. Step 3: Cross multiply
    20,064.54x = 27,686.34 × 11,109.84
  4. Step 4: Simplify right side
    20,064.54x = 307,590,807.59
  5. Step 5: Solve for x
    x = 307,590,807.59/20,064.54
  6. Step 6: Final answer
    x = 15,330.07

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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.