Home / 9,684.20-13,356.42-6,148.28

Finding the Fourth Proportional to 9,684.20, 13,356.42 and 6,148.28

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Solution

The fourth proportional to 9,684.20, 13,356.42 and 6,148.28 is: 8,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,684.20 : 13,356.42 = 6,148.28 : x
  2. Step 2: Convert to fraction form
    9,684.20/13,356.42 = 6,148.28/x
  3. Step 3: Cross multiply
    9,684.20x = 13,356.42 × 6,148.28
  4. Step 4: Simplify right side
    9,684.20x = 82,119,009.96
  5. Step 5: Solve for x
    x = 82,119,009.96/9,684.20
  6. Step 6: Final answer
    x = 8,479.69

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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.