Home / 10,887.75-16,331.63-4,731.75

Finding the Fourth Proportional to 10,887.75, 16,331.63 and 4,731.75

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Solution

The fourth proportional to 10,887.75, 16,331.63 and 4,731.75 is: 7,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.75 : 16,331.63 = 4,731.75 : x
  2. Step 2: Convert to fraction form
    10,887.75/16,331.63 = 4,731.75/x
  3. Step 3: Cross multiply
    10,887.75x = 16,331.63 × 4,731.75
  4. Step 4: Simplify right side
    10,887.75x = 77,277,166.59
  5. Step 5: Solve for x
    x = 77,277,166.59/10,887.75
  6. Step 6: Final answer
    x = 7,097.63

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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.