Home / 15,190.64-20,811.29-14,622.57

Finding the Fourth Proportional to 15,190.64, 20,811.29 and 14,622.57

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Solution

The fourth proportional to 15,190.64, 20,811.29 and 14,622.57 is: 20,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.64 : 20,811.29 = 14,622.57 : x
  2. Step 2: Convert to fraction form
    15,190.64/20,811.29 = 14,622.57/x
  3. Step 3: Cross multiply
    15,190.64x = 20,811.29 × 14,622.57
  4. Step 4: Simplify right side
    15,190.64x = 304,314,471.70
  5. Step 5: Solve for x
    x = 304,314,471.70/15,190.64
  6. Step 6: Final answer
    x = 20,033.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.