Home / 18,328.12-25,293.38-10,370.20

Finding the Fourth Proportional to 18,328.12, 25,293.38 and 10,370.20

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Solution

The fourth proportional to 18,328.12, 25,293.38 and 10,370.20 is: 14,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.12 : 25,293.38 = 10,370.20 : x
  2. Step 2: Convert to fraction form
    18,328.12/25,293.38 = 10,370.20/x
  3. Step 3: Cross multiply
    18,328.12x = 25,293.38 × 10,370.20
  4. Step 4: Simplify right side
    18,328.12x = 262,297,409.28
  5. Step 5: Solve for x
    x = 262,297,409.28/18,328.12
  6. Step 6: Final answer
    x = 14,311.20

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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.