Home / 9,365.28-12,913.59-6,382.86

Finding the Fourth Proportional to 9,365.28, 12,913.59 and 6,382.86

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Solution

The fourth proportional to 9,365.28, 12,913.59 and 6,382.86 is: 8,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.28 : 12,913.59 = 6,382.86 : x
  2. Step 2: Convert to fraction form
    9,365.28/12,913.59 = 6,382.86/x
  3. Step 3: Cross multiply
    9,365.28x = 12,913.59 × 6,382.86
  4. Step 4: Simplify right side
    9,365.28x = 82,425,637.07
  5. Step 5: Solve for x
    x = 82,425,637.07/9,365.28
  6. Step 6: Final answer
    x = 8,801.19

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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.