Home / 10,720.80-16,082.73-4,059.74

Finding the Fourth Proportional to 10,720.80, 16,082.73 and 4,059.74

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Solution

The fourth proportional to 10,720.80, 16,082.73 and 4,059.74 is: 6,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.80 : 16,082.73 = 4,059.74 : x
  2. Step 2: Convert to fraction form
    10,720.80/16,082.73 = 4,059.74/x
  3. Step 3: Cross multiply
    10,720.80x = 16,082.73 × 4,059.74
  4. Step 4: Simplify right side
    10,720.80x = 65,291,742.50
  5. Step 5: Solve for x
    x = 65,291,742.50/10,720.80
  6. Step 6: Final answer
    x = 6,090.19

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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.