Home / 19,947.30-27,495.99-13,648.74

Finding the Fourth Proportional to 19,947.30, 27,495.99 and 13,648.74

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Solution

The fourth proportional to 19,947.30, 27,495.99 and 13,648.74 is: 18,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.30 : 27,495.99 = 13,648.74 : x
  2. Step 2: Convert to fraction form
    19,947.30/27,495.99 = 13,648.74/x
  3. Step 3: Cross multiply
    19,947.30x = 27,495.99 × 13,648.74
  4. Step 4: Simplify right side
    19,947.30x = 375,285,618.55
  5. Step 5: Solve for x
    x = 375,285,618.55/19,947.30
  6. Step 6: Final answer
    x = 18,813.86

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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.