Home / 13,032.32-17,976.40-8,556.32

Finding the Fourth Proportional to 13,032.32, 17,976.40 and 8,556.32

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Solution

The fourth proportional to 13,032.32, 17,976.40 and 8,556.32 is: 11,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.32 : 17,976.40 = 8,556.32 : x
  2. Step 2: Convert to fraction form
    13,032.32/17,976.40 = 8,556.32/x
  3. Step 3: Cross multiply
    13,032.32x = 17,976.40 × 8,556.32
  4. Step 4: Simplify right side
    13,032.32x = 153,811,830.85
  5. Step 5: Solve for x
    x = 153,811,830.85/13,032.32
  6. Step 6: Final answer
    x = 11,802.34

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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.