Home / 11,128.81-15,357.95-6,092.95

Finding the Fourth Proportional to 11,128.81, 15,357.95 and 6,092.95

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Solution

The fourth proportional to 11,128.81, 15,357.95 and 6,092.95 is: 8,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.81 : 15,357.95 = 6,092.95 : x
  2. Step 2: Convert to fraction form
    11,128.81/15,357.95 = 6,092.95/x
  3. Step 3: Cross multiply
    11,128.81x = 15,357.95 × 6,092.95
  4. Step 4: Simplify right side
    11,128.81x = 93,575,221.45
  5. Step 5: Solve for x
    x = 93,575,221.45/11,128.81
  6. Step 6: Final answer
    x = 8,408.38

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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.