Home / 15,136.74-20,882.61-9,544.50

Finding the Fourth Proportional to 15,136.74, 20,882.61 and 9,544.50

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Solution

The fourth proportional to 15,136.74, 20,882.61 and 9,544.50 is: 13,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.74 : 20,882.61 = 9,544.50 : x
  2. Step 2: Convert to fraction form
    15,136.74/20,882.61 = 9,544.50/x
  3. Step 3: Cross multiply
    15,136.74x = 20,882.61 × 9,544.50
  4. Step 4: Simplify right side
    15,136.74x = 199,314,071.15
  5. Step 5: Solve for x
    x = 199,314,071.15/15,136.74
  6. Step 6: Final answer
    x = 13,167.57

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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.