Home / 15,561.36-23,328.99-6,789.60

Finding the Fourth Proportional to 15,561.36, 23,328.99 and 6,789.60

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Solution

The fourth proportional to 15,561.36, 23,328.99 and 6,789.60 is: 10,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.36 : 23,328.99 = 6,789.60 : x
  2. Step 2: Convert to fraction form
    15,561.36/23,328.99 = 6,789.60/x
  3. Step 3: Cross multiply
    15,561.36x = 23,328.99 × 6,789.60
  4. Step 4: Simplify right side
    15,561.36x = 158,394,510.50
  5. Step 5: Solve for x
    x = 158,394,510.50/15,561.36
  6. Step 6: Final answer
    x = 10,178.71

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1.5x scale

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.