Home / 9,881.64-13,636.35-5,901.84

Finding the Fourth Proportional to 9,881.64, 13,636.35 and 5,901.84

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Solution

The fourth proportional to 9,881.64, 13,636.35 and 5,901.84 is: 8,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.64 : 13,636.35 = 5,901.84 : x
  2. Step 2: Convert to fraction form
    9,881.64/13,636.35 = 5,901.84/x
  3. Step 3: Cross multiply
    9,881.64x = 13,636.35 × 5,901.84
  4. Step 4: Simplify right side
    9,881.64x = 80,479,555.88
  5. Step 5: Solve for x
    x = 80,479,555.88/9,881.64
  6. Step 6: Final answer
    x = 8,144.35

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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.