Home / 11,374.11-15,704.71-6,903.90

Finding the Fourth Proportional to 11,374.11, 15,704.71 and 6,903.90

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Solution

The fourth proportional to 11,374.11, 15,704.71 and 6,903.90 is: 9,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.11 : 15,704.71 = 6,903.90 : x
  2. Step 2: Convert to fraction form
    11,374.11/15,704.71 = 6,903.90/x
  3. Step 3: Cross multiply
    11,374.11x = 15,704.71 × 6,903.90
  4. Step 4: Simplify right side
    11,374.11x = 108,423,730.11
  5. Step 5: Solve for x
    x = 108,423,730.11/11,374.11
  6. Step 6: Final answer
    x = 9,532.50

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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.