Home / 11,288.20-16,948.74-8,335.75

Finding the Fourth Proportional to 11,288.20, 16,948.74 and 8,335.75

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Solution

The fourth proportional to 11,288.20, 16,948.74 and 8,335.75 is: 12,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.20 : 16,948.74 = 8,335.75 : x
  2. Step 2: Convert to fraction form
    11,288.20/16,948.74 = 8,335.75/x
  3. Step 3: Cross multiply
    11,288.20x = 16,948.74 × 8,335.75
  4. Step 4: Simplify right side
    11,288.20x = 141,280,459.46
  5. Step 5: Solve for x
    x = 141,280,459.46/11,288.20
  6. Step 6: Final answer
    x = 12,515.77

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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.