Home / 11,217.64-15,475.29-6,499.39

Finding the Fourth Proportional to 11,217.64, 15,475.29 and 6,499.39

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Solution

The fourth proportional to 11,217.64, 15,475.29 and 6,499.39 is: 8,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.64 : 15,475.29 = 6,499.39 : x
  2. Step 2: Convert to fraction form
    11,217.64/15,475.29 = 6,499.39/x
  3. Step 3: Cross multiply
    11,217.64x = 15,475.29 × 6,499.39
  4. Step 4: Simplify right side
    11,217.64x = 100,579,945.07
  5. Step 5: Solve for x
    x = 100,579,945.07/11,217.64
  6. Step 6: Final answer
    x = 8,966.23

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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.