Home / 11,031.60-15,223.32-6,555.36

Finding the Fourth Proportional to 11,031.60, 15,223.32 and 6,555.36

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Solution

The fourth proportional to 11,031.60, 15,223.32 and 6,555.36 is: 9,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.60 : 15,223.32 = 6,555.36 : x
  2. Step 2: Convert to fraction form
    11,031.60/15,223.32 = 6,555.36/x
  3. Step 3: Cross multiply
    11,031.60x = 15,223.32 × 6,555.36
  4. Step 4: Simplify right side
    11,031.60x = 99,794,343.00
  5. Step 5: Solve for x
    x = 99,794,343.00/11,031.60
  6. Step 6: Final answer
    x = 9,046.23

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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.