Home / 11,556.32-15,946.81-6,521.76

Finding the Fourth Proportional to 11,556.32, 15,946.81 and 6,521.76

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Solution

The fourth proportional to 11,556.32, 15,946.81 and 6,521.76 is: 8,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.32 : 15,946.81 = 6,521.76 : x
  2. Step 2: Convert to fraction form
    11,556.32/15,946.81 = 6,521.76/x
  3. Step 3: Cross multiply
    11,556.32x = 15,946.81 × 6,521.76
  4. Step 4: Simplify right side
    11,556.32x = 104,001,251.28
  5. Step 5: Solve for x
    x = 104,001,251.28/11,556.32
  6. Step 6: Final answer
    x = 8,999.52

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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.