Home / 10,556.60-15,837.30-6,171.80

Finding the Fourth Proportional to 10,556.60, 15,837.30 and 6,171.80

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Solution

The fourth proportional to 10,556.60, 15,837.30 and 6,171.80 is: 9,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.60 : 15,837.30 = 6,171.80 : x
  2. Step 2: Convert to fraction form
    10,556.60/15,837.30 = 6,171.80/x
  3. Step 3: Cross multiply
    10,556.60x = 15,837.30 × 6,171.80
  4. Step 4: Simplify right side
    10,556.60x = 97,744,648.14
  5. Step 5: Solve for x
    x = 97,744,648.14/10,556.60
  6. Step 6: Final answer
    x = 9,259.10

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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.