Home / 10,811.28-14,919.60-6,095.56

Finding the Fourth Proportional to 10,811.28, 14,919.60 and 6,095.56

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Solution

The fourth proportional to 10,811.28, 14,919.60 and 6,095.56 is: 8,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.28 : 14,919.60 = 6,095.56 : x
  2. Step 2: Convert to fraction form
    10,811.28/14,919.60 = 6,095.56/x
  3. Step 3: Cross multiply
    10,811.28x = 14,919.60 × 6,095.56
  4. Step 4: Simplify right side
    10,811.28x = 90,943,316.98
  5. Step 5: Solve for x
    x = 90,943,316.98/10,811.28
  6. Step 6: Final answer
    x = 8,411.89

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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.