Home / 12,656.19-18,986.58-6,334.36

Finding the Fourth Proportional to 12,656.19, 18,986.58 and 6,334.36

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Solution

The fourth proportional to 12,656.19, 18,986.58 and 6,334.36 is: 9,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.19 : 18,986.58 = 6,334.36 : x
  2. Step 2: Convert to fraction form
    12,656.19/18,986.58 = 6,334.36/x
  3. Step 3: Cross multiply
    12,656.19x = 18,986.58 × 6,334.36
  4. Step 4: Simplify right side
    12,656.19x = 120,267,832.89
  5. Step 5: Solve for x
    x = 120,267,832.89/12,656.19
  6. Step 6: Final answer
    x = 9,502.69

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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.