Home / 18,314.82-25,275.51-10,357.79

Finding the Fourth Proportional to 18,314.82, 25,275.51 and 10,357.79

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Solution

The fourth proportional to 18,314.82, 25,275.51 and 10,357.79 is: 14,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.82 : 25,275.51 = 10,357.79 : x
  2. Step 2: Convert to fraction form
    18,314.82/25,275.51 = 10,357.79/x
  3. Step 3: Cross multiply
    18,314.82x = 25,275.51 × 10,357.79
  4. Step 4: Simplify right side
    18,314.82x = 261,798,298.35
  5. Step 5: Solve for x
    x = 261,798,298.35/18,314.82
  6. Step 6: Final answer
    x = 14,294.34

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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.