Home / 9,158.72-12,637.92-6,365.12

Finding the Fourth Proportional to 9,158.72, 12,637.92 and 6,365.12

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Solution

The fourth proportional to 9,158.72, 12,637.92 and 6,365.12 is: 8,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.72 : 12,637.92 = 6,365.12 : x
  2. Step 2: Convert to fraction form
    9,158.72/12,637.92 = 6,365.12/x
  3. Step 3: Cross multiply
    9,158.72x = 12,637.92 × 6,365.12
  4. Step 4: Simplify right side
    9,158.72x = 80,441,877.35
  5. Step 5: Solve for x
    x = 80,441,877.35/9,158.72
  6. Step 6: Final answer
    x = 8,783.09

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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.