Home / 10,811.79-16,220.34-4,568.45

Finding the Fourth Proportional to 10,811.79, 16,220.34 and 4,568.45

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Solution

The fourth proportional to 10,811.79, 16,220.34 and 4,568.45 is: 6,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.79 : 16,220.34 = 4,568.45 : x
  2. Step 2: Convert to fraction form
    10,811.79/16,220.34 = 4,568.45/x
  3. Step 3: Cross multiply
    10,811.79x = 16,220.34 × 4,568.45
  4. Step 4: Simplify right side
    10,811.79x = 74,101,731.17
  5. Step 5: Solve for x
    x = 74,101,731.17/10,811.79
  6. Step 6: Final answer
    x = 6,853.79

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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.