Home / 13,542.27-20,313.30-3,681.50

Finding the Fourth Proportional to 13,542.27, 20,313.30 and 3,681.50

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Solution

The fourth proportional to 13,542.27, 20,313.30 and 3,681.50 is: 5,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.27 : 20,313.30 = 3,681.50 : x
  2. Step 2: Convert to fraction form
    13,542.27/20,313.30 = 3,681.50/x
  3. Step 3: Cross multiply
    13,542.27x = 20,313.30 × 3,681.50
  4. Step 4: Simplify right side
    13,542.27x = 74,783,312.38
  5. Step 5: Solve for x
    x = 74,783,312.38/13,542.27
  6. Step 6: Final answer
    x = 5,522.21

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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.