Home / 13,041.20-19,561.96-3,681.45

Finding the Fourth Proportional to 13,041.20, 19,561.96 and 3,681.45

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Solution

The fourth proportional to 13,041.20, 19,561.96 and 3,681.45 is: 5,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.20 : 19,561.96 = 3,681.45 : x
  2. Step 2: Convert to fraction form
    13,041.20/19,561.96 = 3,681.45/x
  3. Step 3: Cross multiply
    13,041.20x = 19,561.96 × 3,681.45
  4. Step 4: Simplify right side
    13,041.20x = 72,016,361.54
  5. Step 5: Solve for x
    x = 72,016,361.54/13,041.20
  6. Step 6: Final answer
    x = 5,522.22

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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.