Home / 18,743.40-25,869.24-14,260.32

Finding the Fourth Proportional to 18,743.40, 25,869.24 and 14,260.32

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Solution

The fourth proportional to 18,743.40, 25,869.24 and 14,260.32 is: 19,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.40 : 25,869.24 = 14,260.32 : x
  2. Step 2: Convert to fraction form
    18,743.40/25,869.24 = 14,260.32/x
  3. Step 3: Cross multiply
    18,743.40x = 25,869.24 × 14,260.32
  4. Step 4: Simplify right side
    18,743.40x = 368,903,640.56
  5. Step 5: Solve for x
    x = 368,903,640.56/18,743.40
  6. Step 6: Final answer
    x = 19,681.79

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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.