Home / 10,811.40-16,232.33-6,140.53

Finding the Fourth Proportional to 10,811.40, 16,232.33 and 6,140.53

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Solution

The fourth proportional to 10,811.40, 16,232.33 and 6,140.53 is: 9,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.40 : 16,232.33 = 6,140.53 : x
  2. Step 2: Convert to fraction form
    10,811.40/16,232.33 = 6,140.53/x
  3. Step 3: Cross multiply
    10,811.40x = 16,232.33 × 6,140.53
  4. Step 4: Simplify right side
    10,811.40x = 99,675,144.98
  5. Step 5: Solve for x
    x = 99,675,144.98/10,811.40
  6. Step 6: Final answer
    x = 9,219.45

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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.