Home / 20,394.68-30,587.55-5,602.05

Finding the Fourth Proportional to 20,394.68, 30,587.55 and 5,602.05

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Solution

The fourth proportional to 20,394.68, 30,587.55 and 5,602.05 is: 8,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.68 : 30,587.55 = 5,602.05 : x
  2. Step 2: Convert to fraction form
    20,394.68/30,587.55 = 5,602.05/x
  3. Step 3: Cross multiply
    20,394.68x = 30,587.55 × 5,602.05
  4. Step 4: Simplify right side
    20,394.68x = 171,352,984.48
  5. Step 5: Solve for x
    x = 171,352,984.48/20,394.68
  6. Step 6: Final answer
    x = 8,401.85

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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.