Home / 13,136.40-19,704.60-4,816.98

Finding the Fourth Proportional to 13,136.40, 19,704.60 and 4,816.98

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Solution

The fourth proportional to 13,136.40, 19,704.60 and 4,816.98 is: 7,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.40 : 19,704.60 = 4,816.98 : x
  2. Step 2: Convert to fraction form
    13,136.40/19,704.60 = 4,816.98/x
  3. Step 3: Cross multiply
    13,136.40x = 19,704.60 × 4,816.98
  4. Step 4: Simplify right side
    13,136.40x = 94,916,664.11
  5. Step 5: Solve for x
    x = 94,916,664.11/13,136.40
  6. Step 6: Final answer
    x = 7,225.47

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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.