Home / 13,618.32-18,792.56-7,650.24

Finding the Fourth Proportional to 13,618.32, 18,792.56 and 7,650.24

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Solution

The fourth proportional to 13,618.32, 18,792.56 and 7,650.24 is: 10,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.32 : 18,792.56 = 7,650.24 : x
  2. Step 2: Convert to fraction form
    13,618.32/18,792.56 = 7,650.24/x
  3. Step 3: Cross multiply
    13,618.32x = 18,792.56 × 7,650.24
  4. Step 4: Simplify right side
    13,618.32x = 143,767,594.21
  5. Step 5: Solve for x
    x = 143,767,594.21/13,618.32
  6. Step 6: Final answer
    x = 10,556.93

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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.