Home / 11,155.24-15,394.35-6,119.47

Finding the Fourth Proportional to 11,155.24, 15,394.35 and 6,119.47

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Solution

The fourth proportional to 11,155.24, 15,394.35 and 6,119.47 is: 8,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.24 : 15,394.35 = 6,119.47 : x
  2. Step 2: Convert to fraction form
    11,155.24/15,394.35 = 6,119.47/x
  3. Step 3: Cross multiply
    11,155.24x = 15,394.35 × 6,119.47
  4. Step 4: Simplify right side
    11,155.24x = 94,205,262.99
  5. Step 5: Solve for x
    x = 94,205,262.99/11,155.24
  6. Step 6: Final answer
    x = 8,444.93

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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.