Home / 10,876.25-16,314.38-4,720.25

Finding the Fourth Proportional to 10,876.25, 16,314.38 and 4,720.25

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Solution

The fourth proportional to 10,876.25, 16,314.38 and 4,720.25 is: 7,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.25 : 16,314.38 = 4,720.25 : x
  2. Step 2: Convert to fraction form
    10,876.25/16,314.38 = 4,720.25/x
  3. Step 3: Cross multiply
    10,876.25x = 16,314.38 × 4,720.25
  4. Step 4: Simplify right side
    10,876.25x = 77,007,928.59
  5. Step 5: Solve for x
    x = 77,007,928.59/10,876.25
  6. Step 6: Final answer
    x = 7,080.38

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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.