Home / 10,693.92-16,040.88-4,123.20

Finding the Fourth Proportional to 10,693.92, 16,040.88 and 4,123.20

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Solution

The fourth proportional to 10,693.92, 16,040.88 and 4,123.20 is: 6,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693.92 : 16,040.88 = 4,123.20 : x
  2. Step 2: Convert to fraction form
    10,693.92/16,040.88 = 4,123.20/x
  3. Step 3: Cross multiply
    10,693.92x = 16,040.88 × 4,123.20
  4. Step 4: Simplify right side
    10,693.92x = 66,139,756.42
  5. Step 5: Solve for x
    x = 66,139,756.42/10,693.92
  6. Step 6: Final answer
    x = 6,184.80

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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.