Home / 19,457.35-29,213.06-13,520.25

Finding the Fourth Proportional to 19,457.35, 29,213.06 and 13,520.25

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Solution

The fourth proportional to 19,457.35, 29,213.06 and 13,520.25 is: 20,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.35 : 29,213.06 = 13,520.25 : x
  2. Step 2: Convert to fraction form
    19,457.35/29,213.06 = 13,520.25/x
  3. Step 3: Cross multiply
    19,457.35x = 29,213.06 × 13,520.25
  4. Step 4: Simplify right side
    19,457.35x = 394,967,806.86
  5. Step 5: Solve for x
    x = 394,967,806.86/19,457.35
  6. Step 6: Final answer
    x = 20,299.16

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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.