Home / 13,359.40-20,061.90-7,433.80

Finding the Fourth Proportional to 13,359.40, 20,061.90 and 7,433.80

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Solution

The fourth proportional to 13,359.40, 20,061.90 and 7,433.80 is: 11,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.40 : 20,061.90 = 7,433.80 : x
  2. Step 2: Convert to fraction form
    13,359.40/20,061.90 = 7,433.80/x
  3. Step 3: Cross multiply
    13,359.40x = 20,061.90 × 7,433.80
  4. Step 4: Simplify right side
    13,359.40x = 149,136,152.22
  5. Step 5: Solve for x
    x = 149,136,152.22/13,359.40
  6. Step 6: Final answer
    x = 11,163.39

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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.