Home / 9,646.64-13,310.20-5,871.76

Finding the Fourth Proportional to 9,646.64, 13,310.20 and 5,871.76

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Solution

The fourth proportional to 9,646.64, 13,310.20 and 5,871.76 is: 8,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.64 : 13,310.20 = 5,871.76 : x
  2. Step 2: Convert to fraction form
    9,646.64/13,310.20 = 5,871.76/x
  3. Step 3: Cross multiply
    9,646.64x = 13,310.20 × 5,871.76
  4. Step 4: Simplify right side
    9,646.64x = 78,154,299.95
  5. Step 5: Solve for x
    x = 78,154,299.95/9,646.64
  6. Step 6: Final answer
    x = 8,101.71

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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.