Home / 15,136.94-22,705.42-4,749.50

Finding the Fourth Proportional to 15,136.94, 22,705.42 and 4,749.50

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Solution

The fourth proportional to 15,136.94, 22,705.42 and 4,749.50 is: 7,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.94 : 22,705.42 = 4,749.50 : x
  2. Step 2: Convert to fraction form
    15,136.94/22,705.42 = 4,749.50/x
  3. Step 3: Cross multiply
    15,136.94x = 22,705.42 × 4,749.50
  4. Step 4: Simplify right side
    15,136.94x = 107,839,392.29
  5. Step 5: Solve for x
    x = 107,839,392.29/15,136.94
  6. Step 6: Final answer
    x = 7,124.25

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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.