Home / 10,753.40-16,136.24-4,178.74

Finding the Fourth Proportional to 10,753.40, 16,136.24 and 4,178.74

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Solution

The fourth proportional to 10,753.40, 16,136.24 and 4,178.74 is: 6,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.40 : 16,136.24 = 4,178.74 : x
  2. Step 2: Convert to fraction form
    10,753.40/16,136.24 = 4,178.74/x
  3. Step 3: Cross multiply
    10,753.40x = 16,136.24 × 4,178.74
  4. Step 4: Simplify right side
    10,753.40x = 67,429,151.54
  5. Step 5: Solve for x
    x = 67,429,151.54/10,753.40
  6. Step 6: Final answer
    x = 6,270.50

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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.