Home / 11,126.08-15,370-8,885.02

Finding the Fourth Proportional to 11,126.08, 15,370 and 8,885.02

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Solution

The fourth proportional to 11,126.08, 15,370 and 8,885.02 is: 12,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.08 : 15,370 = 8,885.02 : x
  2. Step 2: Convert to fraction form
    11,126.08/15,370 = 8,885.02/x
  3. Step 3: Cross multiply
    11,126.08x = 15,370 × 8,885.02
  4. Step 4: Simplify right side
    11,126.08x = 136,562,757.40
  5. Step 5: Solve for x
    x = 136,562,757.40/11,126.08
  6. Step 6: Final answer
    x = 12,274.11

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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.