Home / 11,556.90-15,948.44-6,521.15

Finding the Fourth Proportional to 11,556.90, 15,948.44 and 6,521.15

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Solution

The fourth proportional to 11,556.90, 15,948.44 and 6,521.15 is: 8,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.90 : 15,948.44 = 6,521.15 : x
  2. Step 2: Convert to fraction form
    11,556.90/15,948.44 = 6,521.15/x
  3. Step 3: Cross multiply
    11,556.90x = 15,948.44 × 6,521.15
  4. Step 4: Simplify right side
    11,556.90x = 104,002,169.51
  5. Step 5: Solve for x
    x = 104,002,169.51/11,556.90
  6. Step 6: Final answer
    x = 8,999.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.