Home / 10,556.89-15,835.35-7,260.01

Finding the Fourth Proportional to 10,556.89, 15,835.35 and 7,260.01

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Solution

The fourth proportional to 10,556.89, 15,835.35 and 7,260.01 is: 10,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.89 : 15,835.35 = 7,260.01 : x
  2. Step 2: Convert to fraction form
    10,556.89/15,835.35 = 7,260.01/x
  3. Step 3: Cross multiply
    10,556.89x = 15,835.35 × 7,260.01
  4. Step 4: Simplify right side
    10,556.89x = 114,964,799.35
  5. Step 5: Solve for x
    x = 114,964,799.35/10,556.89
  6. Step 6: Final answer
    x = 10,890.03

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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.