Home / 9,830.64-13,568.04-6,293.76

Finding the Fourth Proportional to 9,830.64, 13,568.04 and 6,293.76

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Solution

The fourth proportional to 9,830.64, 13,568.04 and 6,293.76 is: 8,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.64 : 13,568.04 = 6,293.76 : x
  2. Step 2: Convert to fraction form
    9,830.64/13,568.04 = 6,293.76/x
  3. Step 3: Cross multiply
    9,830.64x = 13,568.04 × 6,293.76
  4. Step 4: Simplify right side
    9,830.64x = 85,393,987.43
  5. Step 5: Solve for x
    x = 85,393,987.43/9,830.64
  6. Step 6: Final answer
    x = 8,686.51

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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.