Home / 19,014.50-26,240.02-10,631

Finding the Fourth Proportional to 19,014.50, 26,240.02 and 10,631

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Solution

The fourth proportional to 19,014.50, 26,240.02 and 10,631 is: 14,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.50 : 26,240.02 = 10,631 : x
  2. Step 2: Convert to fraction form
    19,014.50/26,240.02 = 10,631/x
  3. Step 3: Cross multiply
    19,014.50x = 26,240.02 × 10,631
  4. Step 4: Simplify right side
    19,014.50x = 278,957,652.62
  5. Step 5: Solve for x
    x = 278,957,652.62/19,014.50
  6. Step 6: Final answer
    x = 14,670.79

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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.