Home / 14,172.40-19,562.26-9,136.62

Finding the Fourth Proportional to 14,172.40, 19,562.26 and 9,136.62

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Solution

The fourth proportional to 14,172.40, 19,562.26 and 9,136.62 is: 12,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.40 : 19,562.26 = 9,136.62 : x
  2. Step 2: Convert to fraction form
    14,172.40/19,562.26 = 9,136.62/x
  3. Step 3: Cross multiply
    14,172.40x = 19,562.26 × 9,136.62
  4. Step 4: Simplify right side
    14,172.40x = 178,732,935.96
  5. Step 5: Solve for x
    x = 178,732,935.96/14,172.40
  6. Step 6: Final answer
    x = 12,611.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.