Home / 20,741.13-31,113.32-7,593.21

Finding the Fourth Proportional to 20,741.13, 31,113.32 and 7,593.21

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Solution

The fourth proportional to 20,741.13, 31,113.32 and 7,593.21 is: 11,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.13 : 31,113.32 = 7,593.21 : x
  2. Step 2: Convert to fraction form
    20,741.13/31,113.32 = 7,593.21/x
  3. Step 3: Cross multiply
    20,741.13x = 31,113.32 × 7,593.21
  4. Step 4: Simplify right side
    20,741.13x = 236,249,934.59
  5. Step 5: Solve for x
    x = 236,249,934.59/20,741.13
  6. Step 6: Final answer
    x = 11,390.41

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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.