Home / 11,271.88-15,555.65-6,236.01

Finding the Fourth Proportional to 11,271.88, 15,555.65 and 6,236.01

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Solution

The fourth proportional to 11,271.88, 15,555.65 and 6,236.01 is: 8,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.88 : 15,555.65 = 6,236.01 : x
  2. Step 2: Convert to fraction form
    11,271.88/15,555.65 = 6,236.01/x
  3. Step 3: Cross multiply
    11,271.88x = 15,555.65 × 6,236.01
  4. Step 4: Simplify right side
    11,271.88x = 97,005,188.96
  5. Step 5: Solve for x
    x = 97,005,188.96/11,271.88
  6. Step 6: Final answer
    x = 8,605.95

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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.