Home / 9,881.76-14,825.40-3,308.32

Finding the Fourth Proportional to 9,881.76, 14,825.40 and 3,308.32

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Solution

The fourth proportional to 9,881.76, 14,825.40 and 3,308.32 is: 4,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.76 : 14,825.40 = 3,308.32 : x
  2. Step 2: Convert to fraction form
    9,881.76/14,825.40 = 3,308.32/x
  3. Step 3: Cross multiply
    9,881.76x = 14,825.40 × 3,308.32
  4. Step 4: Simplify right side
    9,881.76x = 49,047,167.33
  5. Step 5: Solve for x
    x = 49,047,167.33/9,881.76
  6. Step 6: Final answer
    x = 4,963.40

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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.