Home / 20,160.99-30,238.07-6,117.63

Finding the Fourth Proportional to 20,160.99, 30,238.07 and 6,117.63

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Solution

The fourth proportional to 20,160.99, 30,238.07 and 6,117.63 is: 9,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.99 : 30,238.07 = 6,117.63 : x
  2. Step 2: Convert to fraction form
    20,160.99/30,238.07 = 6,117.63/x
  3. Step 3: Cross multiply
    20,160.99x = 30,238.07 × 6,117.63
  4. Step 4: Simplify right side
    20,160.99x = 184,985,324.17
  5. Step 5: Solve for x
    x = 184,985,324.17/20,160.99
  6. Step 6: Final answer
    x = 9,175.41

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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.