Home / 11,111.42-15,332.60-6,634.58

Finding the Fourth Proportional to 11,111.42, 15,332.60 and 6,634.58

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Solution

The fourth proportional to 11,111.42, 15,332.60 and 6,634.58 is: 9,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.42 : 15,332.60 = 6,634.58 : x
  2. Step 2: Convert to fraction form
    11,111.42/15,332.60 = 6,634.58/x
  3. Step 3: Cross multiply
    11,111.42x = 15,332.60 × 6,634.58
  4. Step 4: Simplify right side
    11,111.42x = 101,725,301.23
  5. Step 5: Solve for x
    x = 101,725,301.23/11,111.42
  6. Step 6: Final answer
    x = 9,155.02

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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.