Home / 20,410.80-30,587.68-11,030.59

Finding the Fourth Proportional to 20,410.80, 30,587.68 and 11,030.59

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Solution

The fourth proportional to 20,410.80, 30,587.68 and 11,030.59 is: 16,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.80 : 30,587.68 = 11,030.59 : x
  2. Step 2: Convert to fraction form
    20,410.80/30,587.68 = 11,030.59/x
  3. Step 3: Cross multiply
    20,410.80x = 30,587.68 × 11,030.59
  4. Step 4: Simplify right side
    20,410.80x = 337,400,157.13
  5. Step 5: Solve for x
    x = 337,400,157.13/20,410.80
  6. Step 6: Final answer
    x = 16,530.47

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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.