Home / 13,272.48-19,886.14-6,600.12

Finding the Fourth Proportional to 13,272.48, 19,886.14 and 6,600.12

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Solution

The fourth proportional to 13,272.48, 19,886.14 and 6,600.12 is: 9,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.48 : 19,886.14 = 6,600.12 : x
  2. Step 2: Convert to fraction form
    13,272.48/19,886.14 = 6,600.12/x
  3. Step 3: Cross multiply
    13,272.48x = 19,886.14 × 6,600.12
  4. Step 4: Simplify right side
    13,272.48x = 131,250,910.34
  5. Step 5: Solve for x
    x = 131,250,910.34/13,272.48
  6. Step 6: Final answer
    x = 9,888.95

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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.