Home / 11,154.60-15,393.92-6,119.04

Finding the Fourth Proportional to 11,154.60, 15,393.92 and 6,119.04

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Solution

The fourth proportional to 11,154.60, 15,393.92 and 6,119.04 is: 8,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.60 : 15,393.92 = 6,119.04 : x
  2. Step 2: Convert to fraction form
    11,154.60/15,393.92 = 6,119.04/x
  3. Step 3: Cross multiply
    11,154.60x = 15,393.92 × 6,119.04
  4. Step 4: Simplify right side
    11,154.60x = 94,196,012.24
  5. Step 5: Solve for x
    x = 94,196,012.24/11,154.60
  6. Step 6: Final answer
    x = 8,444.59

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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.