Home / 11,126.93-16,691.30-4,886.07

Finding the Fourth Proportional to 11,126.93, 16,691.30 and 4,886.07

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Solution

The fourth proportional to 11,126.93, 16,691.30 and 4,886.07 is: 7,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.93 : 16,691.30 = 4,886.07 : x
  2. Step 2: Convert to fraction form
    11,126.93/16,691.30 = 4,886.07/x
  3. Step 3: Cross multiply
    11,126.93x = 16,691.30 × 4,886.07
  4. Step 4: Simplify right side
    11,126.93x = 81,554,835.76
  5. Step 5: Solve for x
    x = 81,554,835.76/11,126.93
  6. Step 6: Final answer
    x = 7,329.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.