Home / 10,136.87-13,995.46-9,072.79

Finding the Fourth Proportional to 10,136.87, 13,995.46 and 9,072.79

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Solution

The fourth proportional to 10,136.87, 13,995.46 and 9,072.79 is: 12,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.87 : 13,995.46 = 9,072.79 : x
  2. Step 2: Convert to fraction form
    10,136.87/13,995.46 = 9,072.79/x
  3. Step 3: Cross multiply
    10,136.87x = 13,995.46 × 9,072.79
  4. Step 4: Simplify right side
    10,136.87x = 126,977,898.37
  5. Step 5: Solve for x
    x = 126,977,898.37/10,136.87
  6. Step 6: Final answer
    x = 12,526.34

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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.