Home / 20,018.86-27,624.12-11,064.93

Finding the Fourth Proportional to 20,018.86, 27,624.12 and 11,064.93

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Solution

The fourth proportional to 20,018.86, 27,624.12 and 11,064.93 is: 15,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.86 : 27,624.12 = 11,064.93 : x
  2. Step 2: Convert to fraction form
    20,018.86/27,624.12 = 11,064.93/x
  3. Step 3: Cross multiply
    20,018.86x = 27,624.12 × 11,064.93
  4. Step 4: Simplify right side
    20,018.86x = 305,658,954.11
  5. Step 5: Solve for x
    x = 305,658,954.11/20,018.86
  6. Step 6: Final answer
    x = 15,268.55

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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.