Home / 20,066.68-30,102.32-11,746.76

Finding the Fourth Proportional to 20,066.68, 30,102.32 and 11,746.76

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Solution

The fourth proportional to 20,066.68, 30,102.32 and 11,746.76 is: 17,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.68 : 30,102.32 = 11,746.76 : x
  2. Step 2: Convert to fraction form
    20,066.68/30,102.32 = 11,746.76/x
  3. Step 3: Cross multiply
    20,066.68x = 30,102.32 × 11,746.76
  4. Step 4: Simplify right side
    20,066.68x = 353,604,728.48
  5. Step 5: Solve for x
    x = 353,604,728.48/20,066.68
  6. Step 6: Final answer
    x = 17,621.49

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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.