Home / 12,556.32-17,329.77-9,566.46

Finding the Fourth Proportional to 12,556.32, 17,329.77 and 9,566.46

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Solution

The fourth proportional to 12,556.32, 17,329.77 and 9,566.46 is: 13,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.32 : 17,329.77 = 9,566.46 : x
  2. Step 2: Convert to fraction form
    12,556.32/17,329.77 = 9,566.46/x
  3. Step 3: Cross multiply
    12,556.32x = 17,329.77 × 9,566.46
  4. Step 4: Simplify right side
    12,556.32x = 165,784,551.51
  5. Step 5: Solve for x
    x = 165,784,551.51/12,556.32
  6. Step 6: Final answer
    x = 13,203.28

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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.