Home / 9,659.09-13,329.35-5,351.77

Finding the Fourth Proportional to 9,659.09, 13,329.35 and 5,351.77

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Solution

The fourth proportional to 9,659.09, 13,329.35 and 5,351.77 is: 7,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.09 : 13,329.35 = 5,351.77 : x
  2. Step 2: Convert to fraction form
    9,659.09/13,329.35 = 5,351.77/x
  3. Step 3: Cross multiply
    9,659.09x = 13,329.35 × 5,351.77
  4. Step 4: Simplify right side
    9,659.09x = 71,335,595.51
  5. Step 5: Solve for x
    x = 71,335,595.51/9,659.09
  6. Step 6: Final answer
    x = 7,385.34

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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.