Home / 9,887.10-14,828.24-3,311.58

Finding the Fourth Proportional to 9,887.10, 14,828.24 and 3,311.58

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Solution

The fourth proportional to 9,887.10, 14,828.24 and 3,311.58 is: 4,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.10 : 14,828.24 = 3,311.58 : x
  2. Step 2: Convert to fraction form
    9,887.10/14,828.24 = 3,311.58/x
  3. Step 3: Cross multiply
    9,887.10x = 14,828.24 × 3,311.58
  4. Step 4: Simplify right side
    9,887.10x = 49,104,903.02
  5. Step 5: Solve for x
    x = 49,104,903.02/9,887.10
  6. Step 6: Final answer
    x = 4,966.56

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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.