Home / 9,449.20-14,173.80-9,384.40

Finding the Fourth Proportional to 9,449.20, 14,173.80 and 9,384.40

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Solution

The fourth proportional to 9,449.20, 14,173.80 and 9,384.40 is: 14,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.20 : 14,173.80 = 9,384.40 : x
  2. Step 2: Convert to fraction form
    9,449.20/14,173.80 = 9,384.40/x
  3. Step 3: Cross multiply
    9,449.20x = 14,173.80 × 9,384.40
  4. Step 4: Simplify right side
    9,449.20x = 133,012,608.72
  5. Step 5: Solve for x
    x = 133,012,608.72/9,449.20
  6. Step 6: Final answer
    x = 14,076.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.