Home / 25,281.99-37,898.70-12,121.11

Finding the Fourth Proportional to 25,281.99, 37,898.70 and 12,121.11

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Solution

The fourth proportional to 25,281.99, 37,898.70 and 12,121.11 is: 18,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.99 : 37,898.70 = 12,121.11 : x
  2. Step 2: Convert to fraction form
    25,281.99/37,898.70 = 12,121.11/x
  3. Step 3: Cross multiply
    25,281.99x = 37,898.70 × 12,121.11
  4. Step 4: Simplify right side
    25,281.99x = 459,374,311.56
  5. Step 5: Solve for x
    x = 459,374,311.56/25,281.99
  6. Step 6: Final answer
    x = 18,170.02

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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.