Home / 20,496.19-30,743.07-5,707.21

Finding the Fourth Proportional to 20,496.19, 30,743.07 and 5,707.21

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Solution

The fourth proportional to 20,496.19, 30,743.07 and 5,707.21 is: 8,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.19 : 30,743.07 = 5,707.21 : x
  2. Step 2: Convert to fraction form
    20,496.19/30,743.07 = 5,707.21/x
  3. Step 3: Cross multiply
    20,496.19x = 30,743.07 × 5,707.21
  4. Step 4: Simplify right side
    20,496.19x = 175,457,156.53
  5. Step 5: Solve for x
    x = 175,457,156.53/20,496.19
  6. Step 6: Final answer
    x = 8,560.48

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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.