Home / 23,150.30-31,947.44-12,539.94

Finding the Fourth Proportional to 23,150.30, 31,947.44 and 12,539.94

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Solution

The fourth proportional to 23,150.30, 31,947.44 and 12,539.94 is: 17,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150.30 : 31,947.44 = 12,539.94 : x
  2. Step 2: Convert to fraction form
    23,150.30/31,947.44 = 12,539.94/x
  3. Step 3: Cross multiply
    23,150.30x = 31,947.44 × 12,539.94
  4. Step 4: Simplify right side
    23,150.30x = 400,618,980.75
  5. Step 5: Solve for x
    x = 400,618,980.75/23,150.30
  6. Step 6: Final answer
    x = 17,305.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.