Home / 9,824.89-13,560.11-6,287.98

Finding the Fourth Proportional to 9,824.89, 13,560.11 and 6,287.98

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Solution

The fourth proportional to 9,824.89, 13,560.11 and 6,287.98 is: 8,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,824.89 : 13,560.11 = 6,287.98 : x
  2. Step 2: Convert to fraction form
    9,824.89/13,560.11 = 6,287.98/x
  3. Step 3: Cross multiply
    9,824.89x = 13,560.11 × 6,287.98
  4. Step 4: Simplify right side
    9,824.89x = 85,265,700.48
  5. Step 5: Solve for x
    x = 85,265,700.48/9,824.89
  6. Step 6: Final answer
    x = 8,678.54

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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.