Home / 11,154.40-15,393.20-6,374.99

Finding the Fourth Proportional to 11,154.40, 15,393.20 and 6,374.99

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Solution

The fourth proportional to 11,154.40, 15,393.20 and 6,374.99 is: 8,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.40 : 15,393.20 = 6,374.99 : x
  2. Step 2: Convert to fraction form
    11,154.40/15,393.20 = 6,374.99/x
  3. Step 3: Cross multiply
    11,154.40x = 15,393.20 × 6,374.99
  4. Step 4: Simplify right side
    11,154.40x = 98,131,496.07
  5. Step 5: Solve for x
    x = 98,131,496.07/11,154.40
  6. Step 6: Final answer
    x = 8,797.56

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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.