Home / 13,568.46-20,457.33-13,484.22

Finding the Fourth Proportional to 13,568.46, 20,457.33 and 13,484.22

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Solution

The fourth proportional to 13,568.46, 20,457.33 and 13,484.22 is: 20,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.46 : 20,457.33 = 13,484.22 : x
  2. Step 2: Convert to fraction form
    13,568.46/20,457.33 = 13,484.22/x
  3. Step 3: Cross multiply
    13,568.46x = 20,457.33 × 13,484.22
  4. Step 4: Simplify right side
    13,568.46x = 275,851,138.33
  5. Step 5: Solve for x
    x = 275,851,138.33/13,568.46
  6. Step 6: Final answer
    x = 20,330.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.