Home / 11,274.66-15,558.89-6,238.50

Finding the Fourth Proportional to 11,274.66, 15,558.89 and 6,238.50

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Solution

The fourth proportional to 11,274.66, 15,558.89 and 6,238.50 is: 8,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.66 : 15,558.89 = 6,238.50 : x
  2. Step 2: Convert to fraction form
    11,274.66/15,558.89 = 6,238.50/x
  3. Step 3: Cross multiply
    11,274.66x = 15,558.89 × 6,238.50
  4. Step 4: Simplify right side
    11,274.66x = 97,064,104.07
  5. Step 5: Solve for x
    x = 97,064,104.07/11,274.66
  6. Step 6: Final answer
    x = 8,609.05

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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.