Home / 11,015.72-15,197.28-6,299

Finding the Fourth Proportional to 11,015.72, 15,197.28 and 6,299

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Solution

The fourth proportional to 11,015.72, 15,197.28 and 6,299 is: 8,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.72 : 15,197.28 = 6,299 : x
  2. Step 2: Convert to fraction form
    11,015.72/15,197.28 = 6,299/x
  3. Step 3: Cross multiply
    11,015.72x = 15,197.28 × 6,299
  4. Step 4: Simplify right side
    11,015.72x = 95,727,666.72
  5. Step 5: Solve for x
    x = 95,727,666.72/11,015.72
  6. Step 6: Final answer
    x = 8,690.10

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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.