Home / 25,157.01-37,678.05-12,018.66

Finding the Fourth Proportional to 25,157.01, 37,678.05 and 12,018.66

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Solution

The fourth proportional to 25,157.01, 37,678.05 and 12,018.66 is: 18,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.01 : 37,678.05 = 12,018.66 : x
  2. Step 2: Convert to fraction form
    25,157.01/37,678.05 = 12,018.66/x
  3. Step 3: Cross multiply
    25,157.01x = 37,678.05 × 12,018.66
  4. Step 4: Simplify right side
    25,157.01x = 452,839,672.41
  5. Step 5: Solve for x
    x = 452,839,672.41/25,157.01
  6. Step 6: Final answer
    x = 18,000.54

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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.