Home / 9,390.34-14,080.35-3,147.07

Finding the Fourth Proportional to 9,390.34, 14,080.35 and 3,147.07

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Solution

The fourth proportional to 9,390.34, 14,080.35 and 3,147.07 is: 4,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.34 : 14,080.35 = 3,147.07 : x
  2. Step 2: Convert to fraction form
    9,390.34/14,080.35 = 3,147.07/x
  3. Step 3: Cross multiply
    9,390.34x = 14,080.35 × 3,147.07
  4. Step 4: Simplify right side
    9,390.34x = 44,311,847.07
  5. Step 5: Solve for x
    x = 44,311,847.07/9,390.34
  6. Step 6: Final answer
    x = 4,718.88

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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.