Home / 13,861.62-20,779.47-5,094.18

Finding the Fourth Proportional to 13,861.62, 20,779.47 and 5,094.18

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Solution

The fourth proportional to 13,861.62, 20,779.47 and 5,094.18 is: 7,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.62 : 20,779.47 = 5,094.18 : x
  2. Step 2: Convert to fraction form
    13,861.62/20,779.47 = 5,094.18/x
  3. Step 3: Cross multiply
    13,861.62x = 20,779.47 × 5,094.18
  4. Step 4: Simplify right side
    13,861.62x = 105,854,360.48
  5. Step 5: Solve for x
    x = 105,854,360.48/13,861.62
  6. Step 6: Final answer
    x = 7,636.51

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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.