Home / 11,237.81-16,838.11-10,078.84

Finding the Fourth Proportional to 11,237.81, 16,838.11 and 10,078.84

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Solution

The fourth proportional to 11,237.81, 16,838.11 and 10,078.84 is: 15,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.81 : 16,838.11 = 10,078.84 : x
  2. Step 2: Convert to fraction form
    11,237.81/16,838.11 = 10,078.84/x
  3. Step 3: Cross multiply
    11,237.81x = 16,838.11 × 10,078.84
  4. Step 4: Simplify right side
    11,237.81x = 169,708,650.24
  5. Step 5: Solve for x
    x = 169,708,650.24/11,237.81
  6. Step 6: Final answer
    x = 15,101.58

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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.