Home / 10,887.17-16,331.50-4,313.35

Finding the Fourth Proportional to 10,887.17, 16,331.50 and 4,313.35

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Solution

The fourth proportional to 10,887.17, 16,331.50 and 4,313.35 is: 6,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.17 : 16,331.50 = 4,313.35 : x
  2. Step 2: Convert to fraction form
    10,887.17/16,331.50 = 4,313.35/x
  3. Step 3: Cross multiply
    10,887.17x = 16,331.50 × 4,313.35
  4. Step 4: Simplify right side
    10,887.17x = 70,443,383.08
  5. Step 5: Solve for x
    x = 70,443,383.08/10,887.17
  6. Step 6: Final answer
    x = 6,470.31

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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.