Home / 9,887.28-14,833.32-2,961.72

Finding the Fourth Proportional to 9,887.28, 14,833.32 and 2,961.72

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Solution

The fourth proportional to 9,887.28, 14,833.32 and 2,961.72 is: 4,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.28 : 14,833.32 = 2,961.72 : x
  2. Step 2: Convert to fraction form
    9,887.28/14,833.32 = 2,961.72/x
  3. Step 3: Cross multiply
    9,887.28x = 14,833.32 × 2,961.72
  4. Step 4: Simplify right side
    9,887.28x = 43,932,140.51
  5. Step 5: Solve for x
    x = 43,932,140.51/9,887.28
  6. Step 6: Final answer
    x = 4,443.30

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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.