Home / 13,434.93-20,152.37-3,574.22

Finding the Fourth Proportional to 13,434.93, 20,152.37 and 3,574.22

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Solution

The fourth proportional to 13,434.93, 20,152.37 and 3,574.22 is: 5,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.93 : 20,152.37 = 3,574.22 : x
  2. Step 2: Convert to fraction form
    13,434.93/20,152.37 = 3,574.22/x
  3. Step 3: Cross multiply
    13,434.93x = 20,152.37 × 3,574.22
  4. Step 4: Simplify right side
    13,434.93x = 72,028,885.27
  5. Step 5: Solve for x
    x = 72,028,885.27/13,434.93
  6. Step 6: Final answer
    x = 5,361.31

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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.