Home / 11,167.34-15,409.32-7,193.84

Finding the Fourth Proportional to 11,167.34, 15,409.32 and 7,193.84

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Solution

The fourth proportional to 11,167.34, 15,409.32 and 7,193.84 is: 9,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.34 : 15,409.32 = 7,193.84 : x
  2. Step 2: Convert to fraction form
    11,167.34/15,409.32 = 7,193.84/x
  3. Step 3: Cross multiply
    11,167.34x = 15,409.32 × 7,193.84
  4. Step 4: Simplify right side
    11,167.34x = 110,852,182.59
  5. Step 5: Solve for x
    x = 110,852,182.59/11,167.34
  6. Step 6: Final answer
    x = 9,926.46

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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.