Home / 18,318.30-25,271.23-10,761.22

Finding the Fourth Proportional to 18,318.30, 25,271.23 and 10,761.22

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Solution

The fourth proportional to 18,318.30, 25,271.23 and 10,761.22 is: 14,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.30 : 25,271.23 = 10,761.22 : x
  2. Step 2: Convert to fraction form
    18,318.30/25,271.23 = 10,761.22/x
  3. Step 3: Cross multiply
    18,318.30x = 25,271.23 × 10,761.22
  4. Step 4: Simplify right side
    18,318.30x = 271,949,225.35
  5. Step 5: Solve for x
    x = 271,949,225.35/18,318.30
  6. Step 6: Final answer
    x = 14,845.77

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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.