Home / 19,820.85-27,353.04-10,868.33

Finding the Fourth Proportional to 19,820.85, 27,353.04 and 10,868.33

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Solution

The fourth proportional to 19,820.85, 27,353.04 and 10,868.33 is: 14,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.85 : 27,353.04 = 10,868.33 : x
  2. Step 2: Convert to fraction form
    19,820.85/27,353.04 = 10,868.33/x
  3. Step 3: Cross multiply
    19,820.85x = 27,353.04 × 10,868.33
  4. Step 4: Simplify right side
    19,820.85x = 297,281,810.88
  5. Step 5: Solve for x
    x = 297,281,810.88/19,820.85
  6. Step 6: Final answer
    x = 14,998.44

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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.