Home / 15,477.24-21,358.53-8,763.33

Finding the Fourth Proportional to 15,477.24, 21,358.53 and 8,763.33

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Solution

The fourth proportional to 15,477.24, 21,358.53 and 8,763.33 is: 12,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.24 : 21,358.53 = 8,763.33 : x
  2. Step 2: Convert to fraction form
    15,477.24/21,358.53 = 8,763.33/x
  3. Step 3: Cross multiply
    15,477.24x = 21,358.53 × 8,763.33
  4. Step 4: Simplify right side
    15,477.24x = 187,171,846.70
  5. Step 5: Solve for x
    x = 187,171,846.70/15,477.24
  6. Step 6: Final answer
    x = 12,093.36

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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.