Home / 11,031.30-15,224.49-6,317.10

Finding the Fourth Proportional to 11,031.30, 15,224.49 and 6,317.10

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Solution

The fourth proportional to 11,031.30, 15,224.49 and 6,317.10 is: 8,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.30 : 15,224.49 = 6,317.10 : x
  2. Step 2: Convert to fraction form
    11,031.30/15,224.49 = 6,317.10/x
  3. Step 3: Cross multiply
    11,031.30x = 15,224.49 × 6,317.10
  4. Step 4: Simplify right side
    11,031.30x = 96,174,625.78
  5. Step 5: Solve for x
    x = 96,174,625.78/11,031.30
  6. Step 6: Final answer
    x = 8,718.34

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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.