Home / 18,709.26-25,818.64-10,325.76

Finding the Fourth Proportional to 18,709.26, 25,818.64 and 10,325.76

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Solution

The fourth proportional to 18,709.26, 25,818.64 and 10,325.76 is: 14,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.26 : 25,818.64 = 10,325.76 : x
  2. Step 2: Convert to fraction form
    18,709.26/25,818.64 = 10,325.76/x
  3. Step 3: Cross multiply
    18,709.26x = 25,818.64 × 10,325.76
  4. Step 4: Simplify right side
    18,709.26x = 266,597,080.17
  5. Step 5: Solve for x
    x = 266,597,080.17/18,709.26
  6. Step 6: Final answer
    x = 14,249.47

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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.