Home / 25,260.81-37,891.08-12,105.87

Finding the Fourth Proportional to 25,260.81, 37,891.08 and 12,105.87

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Solution

The fourth proportional to 25,260.81, 37,891.08 and 12,105.87 is: 18,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.81 : 37,891.08 = 12,105.87 : x
  2. Step 2: Convert to fraction form
    25,260.81/37,891.08 = 12,105.87/x
  3. Step 3: Cross multiply
    25,260.81x = 37,891.08 × 12,105.87
  4. Step 4: Simplify right side
    25,260.81x = 458,704,488.64
  5. Step 5: Solve for x
    x = 458,704,488.64/25,260.81
  6. Step 6: Final answer
    x = 18,158.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.