Home / 18,318.52-25,276.67-10,771.32

Finding the Fourth Proportional to 18,318.52, 25,276.67 and 10,771.32

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Solution

The fourth proportional to 18,318.52, 25,276.67 and 10,771.32 is: 14,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.52 : 25,276.67 = 10,771.32 : x
  2. Step 2: Convert to fraction form
    18,318.52/25,276.67 = 10,771.32/x
  3. Step 3: Cross multiply
    18,318.52x = 25,276.67 × 10,771.32
  4. Step 4: Simplify right side
    18,318.52x = 272,263,101.10
  5. Step 5: Solve for x
    x = 272,263,101.10/18,318.52
  6. Step 6: Final answer
    x = 14,862.72

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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.