Home / 13,945.68-19,257.54-10,402.74

Finding the Fourth Proportional to 13,945.68, 19,257.54 and 10,402.74

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Solution

The fourth proportional to 13,945.68, 19,257.54 and 10,402.74 is: 14,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.68 : 19,257.54 = 10,402.74 : x
  2. Step 2: Convert to fraction form
    13,945.68/19,257.54 = 10,402.74/x
  3. Step 3: Cross multiply
    13,945.68x = 19,257.54 × 10,402.74
  4. Step 4: Simplify right side
    13,945.68x = 200,331,181.66
  5. Step 5: Solve for x
    x = 200,331,181.66/13,945.68
  6. Step 6: Final answer
    x = 14,365.11

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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.