Home / 15,999.50-23,998.98-13,200.14

Finding the Fourth Proportional to 15,999.50, 23,998.98 and 13,200.14

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Solution

The fourth proportional to 15,999.50, 23,998.98 and 13,200.14 is: 19,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.50 : 23,998.98 = 13,200.14 : x
  2. Step 2: Convert to fraction form
    15,999.50/23,998.98 = 13,200.14/x
  3. Step 3: Cross multiply
    15,999.50x = 23,998.98 × 13,200.14
  4. Step 4: Simplify right side
    15,999.50x = 316,789,895.86
  5. Step 5: Solve for x
    x = 316,789,895.86/15,999.50
  6. Step 6: Final answer
    x = 19,799.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.