Home / 13,589.53-20,392.02-10,619.60

Finding the Fourth Proportional to 13,589.53, 20,392.02 and 10,619.60

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Solution

The fourth proportional to 13,589.53, 20,392.02 and 10,619.60 is: 15,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.53 : 20,392.02 = 10,619.60 : x
  2. Step 2: Convert to fraction form
    13,589.53/20,392.02 = 10,619.60/x
  3. Step 3: Cross multiply
    13,589.53x = 20,392.02 × 10,619.60
  4. Step 4: Simplify right side
    13,589.53x = 216,554,993.63
  5. Step 5: Solve for x
    x = 216,554,993.63/13,589.53
  6. Step 6: Final answer
    x = 15,935.43

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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.