Home / 11,002.63-15,186.27-6,289.66

Finding the Fourth Proportional to 11,002.63, 15,186.27 and 6,289.66

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Solution

The fourth proportional to 11,002.63, 15,186.27 and 6,289.66 is: 8,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.63 : 15,186.27 = 6,289.66 : x
  2. Step 2: Convert to fraction form
    11,002.63/15,186.27 = 6,289.66/x
  3. Step 3: Cross multiply
    11,002.63x = 15,186.27 × 6,289.66
  4. Step 4: Simplify right side
    11,002.63x = 95,516,474.97
  5. Step 5: Solve for x
    x = 95,516,474.97/11,002.63
  6. Step 6: Final answer
    x = 8,681.24

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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.