Home / 19,131.02-28,697.49-13,568.48

Finding the Fourth Proportional to 19,131.02, 28,697.49 and 13,568.48

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Solution

The fourth proportional to 19,131.02, 28,697.49 and 13,568.48 is: 20,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.02 : 28,697.49 = 13,568.48 : x
  2. Step 2: Convert to fraction form
    19,131.02/28,697.49 = 13,568.48/x
  3. Step 3: Cross multiply
    19,131.02x = 28,697.49 × 13,568.48
  4. Step 4: Simplify right side
    19,131.02x = 389,381,283.24
  5. Step 5: Solve for x
    x = 389,381,283.24/19,131.02
  6. Step 6: Final answer
    x = 20,353.40

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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.