Home / 10,887.52-16,316.88-3,955.36

Finding the Fourth Proportional to 10,887.52, 16,316.88 and 3,955.36

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Solution

The fourth proportional to 10,887.52, 16,316.88 and 3,955.36 is: 5,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.52 : 16,316.88 = 3,955.36 : x
  2. Step 2: Convert to fraction form
    10,887.52/16,316.88 = 3,955.36/x
  3. Step 3: Cross multiply
    10,887.52x = 16,316.88 × 3,955.36
  4. Step 4: Simplify right side
    10,887.52x = 64,539,134.48
  5. Step 5: Solve for x
    x = 64,539,134.48/10,887.52
  6. Step 6: Final answer
    x = 5,927.81

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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.