Home / 9,519.65-13,136.95-5,270.63

Finding the Fourth Proportional to 9,519.65, 13,136.95 and 5,270.63

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Solution

The fourth proportional to 9,519.65, 13,136.95 and 5,270.63 is: 7,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.65 : 13,136.95 = 5,270.63 : x
  2. Step 2: Convert to fraction form
    9,519.65/13,136.95 = 5,270.63/x
  3. Step 3: Cross multiply
    9,519.65x = 13,136.95 × 5,270.63
  4. Step 4: Simplify right side
    9,519.65x = 69,239,943.68
  5. Step 5: Solve for x
    x = 69,239,943.68/9,519.65
  6. Step 6: Final answer
    x = 7,273.37

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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.