Home / 18,340.54-25,310.82-10,385.26

Finding the Fourth Proportional to 18,340.54, 25,310.82 and 10,385.26

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Solution

The fourth proportional to 18,340.54, 25,310.82 and 10,385.26 is: 14,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.54 : 25,310.82 = 10,385.26 : x
  2. Step 2: Convert to fraction form
    18,340.54/25,310.82 = 10,385.26/x
  3. Step 3: Cross multiply
    18,340.54x = 25,310.82 × 10,385.26
  4. Step 4: Simplify right side
    18,340.54x = 262,859,446.51
  5. Step 5: Solve for x
    x = 262,859,446.51/18,340.54
  6. Step 6: Final answer
    x = 14,332.15

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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.