Home / 18,326.31-25,291.85-10,370.07

Finding the Fourth Proportional to 18,326.31, 25,291.85 and 10,370.07

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Solution

The fourth proportional to 18,326.31, 25,291.85 and 10,370.07 is: 14,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.31 : 25,291.85 = 10,370.07 : x
  2. Step 2: Convert to fraction form
    18,326.31/25,291.85 = 10,370.07/x
  3. Step 3: Cross multiply
    18,326.31x = 25,291.85 × 10,370.07
  4. Step 4: Simplify right side
    18,326.31x = 262,278,203.08
  5. Step 5: Solve for x
    x = 262,278,203.08/18,326.31
  6. Step 6: Final answer
    x = 14,311.57

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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.