Home / 11,560.89-15,954.08-6,255.72

Finding the Fourth Proportional to 11,560.89, 15,954.08 and 6,255.72

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Solution

The fourth proportional to 11,560.89, 15,954.08 and 6,255.72 is: 8,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,560.89 : 15,954.08 = 6,255.72 : x
  2. Step 2: Convert to fraction form
    11,560.89/15,954.08 = 6,255.72/x
  3. Step 3: Cross multiply
    11,560.89x = 15,954.08 × 6,255.72
  4. Step 4: Simplify right side
    11,560.89x = 99,804,226.06
  5. Step 5: Solve for x
    x = 99,804,226.06/11,560.89
  6. Step 6: Final answer
    x = 8,632.92

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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.