Home / 11,350.10-17,061.60-8,085.80

Finding the Fourth Proportional to 11,350.10, 17,061.60 and 8,085.80

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Solution

The fourth proportional to 11,350.10, 17,061.60 and 8,085.80 is: 12,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.10 : 17,061.60 = 8,085.80 : x
  2. Step 2: Convert to fraction form
    11,350.10/17,061.60 = 8,085.80/x
  3. Step 3: Cross multiply
    11,350.10x = 17,061.60 × 8,085.80
  4. Step 4: Simplify right side
    11,350.10x = 137,956,685.28
  5. Step 5: Solve for x
    x = 137,956,685.28/11,350.10
  6. Step 6: Final answer
    x = 12,154.67

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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.