Home / 18,339.81-25,309.32-10,382.04

Finding the Fourth Proportional to 18,339.81, 25,309.32 and 10,382.04

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Solution

The fourth proportional to 18,339.81, 25,309.32 and 10,382.04 is: 14,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.81 : 25,309.32 = 10,382.04 : x
  2. Step 2: Convert to fraction form
    18,339.81/25,309.32 = 10,382.04/x
  3. Step 3: Cross multiply
    18,339.81x = 25,309.32 × 10,382.04
  4. Step 4: Simplify right side
    18,339.81x = 262,762,372.61
  5. Step 5: Solve for x
    x = 262,762,372.61/18,339.81
  6. Step 6: Final answer
    x = 14,327.43

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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.