Home / 16,839.78-25,263.27-6,451.50

Finding the Fourth Proportional to 16,839.78, 25,263.27 and 6,451.50

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Solution

The fourth proportional to 16,839.78, 25,263.27 and 6,451.50 is: 9,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.78 : 25,263.27 = 6,451.50 : x
  2. Step 2: Convert to fraction form
    16,839.78/25,263.27 = 6,451.50/x
  3. Step 3: Cross multiply
    16,839.78x = 25,263.27 × 6,451.50
  4. Step 4: Simplify right side
    16,839.78x = 162,985,986.41
  5. Step 5: Solve for x
    x = 162,985,986.41/16,839.78
  6. Step 6: Final answer
    x = 9,678.63

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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.