Home / 19,820.37-27,352.80-10,867.89

Finding the Fourth Proportional to 19,820.37, 27,352.80 and 10,867.89

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Solution

The fourth proportional to 19,820.37, 27,352.80 and 10,867.89 is: 14,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.37 : 27,352.80 = 10,867.89 : x
  2. Step 2: Convert to fraction form
    19,820.37/27,352.80 = 10,867.89/x
  3. Step 3: Cross multiply
    19,820.37x = 27,352.80 × 10,867.89
  4. Step 4: Simplify right side
    19,820.37x = 297,267,221.59
  5. Step 5: Solve for x
    x = 297,267,221.59/19,820.37
  6. Step 6: Final answer
    x = 14,998.07

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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.