Home / 11,007.47-15,186.61-6,288.41

Finding the Fourth Proportional to 11,007.47, 15,186.61 and 6,288.41

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Solution

The fourth proportional to 11,007.47, 15,186.61 and 6,288.41 is: 8,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.47 : 15,186.61 = 6,288.41 : x
  2. Step 2: Convert to fraction form
    11,007.47/15,186.61 = 6,288.41/x
  3. Step 3: Cross multiply
    11,007.47x = 15,186.61 × 6,288.41
  4. Step 4: Simplify right side
    11,007.47x = 95,499,630.19
  5. Step 5: Solve for x
    x = 95,499,630.19/11,007.47
  6. Step 6: Final answer
    x = 8,675.89

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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.