Home / 20,648.72-30,973.08-5,066.34

Finding the Fourth Proportional to 20,648.72, 30,973.08 and 5,066.34

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Solution

The fourth proportional to 20,648.72, 30,973.08 and 5,066.34 is: 7,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648.72 : 30,973.08 = 5,066.34 : x
  2. Step 2: Convert to fraction form
    20,648.72/30,973.08 = 5,066.34/x
  3. Step 3: Cross multiply
    20,648.72x = 30,973.08 × 5,066.34
  4. Step 4: Simplify right side
    20,648.72x = 156,920,154.13
  5. Step 5: Solve for x
    x = 156,920,154.13/20,648.72
  6. Step 6: Final answer
    x = 7,599.51

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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.