Home / 11,031.18-15,223.32-6,316.98

Finding the Fourth Proportional to 11,031.18, 15,223.32 and 6,316.98

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Solution

The fourth proportional to 11,031.18, 15,223.32 and 6,316.98 is: 8,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.18 : 15,223.32 = 6,316.98 : x
  2. Step 2: Convert to fraction form
    11,031.18/15,223.32 = 6,316.98/x
  3. Step 3: Cross multiply
    11,031.18x = 15,223.32 × 6,316.98
  4. Step 4: Simplify right side
    11,031.18x = 96,165,407.97
  5. Step 5: Solve for x
    x = 96,165,407.97/11,031.18
  6. Step 6: Final answer
    x = 8,717.60

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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.