Home / 9,106.42-13,631.01-6,278.74

Finding the Fourth Proportional to 9,106.42, 13,631.01 and 6,278.74

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Solution

The fourth proportional to 9,106.42, 13,631.01 and 6,278.74 is: 9,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.42 : 13,631.01 = 6,278.74 : x
  2. Step 2: Convert to fraction form
    9,106.42/13,631.01 = 6,278.74/x
  3. Step 3: Cross multiply
    9,106.42x = 13,631.01 × 6,278.74
  4. Step 4: Simplify right side
    9,106.42x = 85,585,567.73
  5. Step 5: Solve for x
    x = 85,585,567.73/9,106.42
  6. Step 6: Final answer
    x = 9,398.38

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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.