Home / 13,924.89-20,886.35-6,531.03

Finding the Fourth Proportional to 13,924.89, 20,886.35 and 6,531.03

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Solution

The fourth proportional to 13,924.89, 20,886.35 and 6,531.03 is: 9,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.89 : 20,886.35 = 6,531.03 : x
  2. Step 2: Convert to fraction form
    13,924.89/20,886.35 = 6,531.03/x
  3. Step 3: Cross multiply
    13,924.89x = 20,886.35 × 6,531.03
  4. Step 4: Simplify right side
    13,924.89x = 136,409,345.79
  5. Step 5: Solve for x
    x = 136,409,345.79/13,924.89
  6. Step 6: Final answer
    x = 9,796.08

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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.