Home / 9,886.68-13,647.56-6,484.98

Finding the Fourth Proportional to 9,886.68, 13,647.56 and 6,484.98

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Solution

The fourth proportional to 9,886.68, 13,647.56 and 6,484.98 is: 8,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.68 : 13,647.56 = 6,484.98 : x
  2. Step 2: Convert to fraction form
    9,886.68/13,647.56 = 6,484.98/x
  3. Step 3: Cross multiply
    9,886.68x = 13,647.56 × 6,484.98
  4. Step 4: Simplify right side
    9,886.68x = 88,504,172.40
  5. Step 5: Solve for x
    x = 88,504,172.40/9,886.68
  6. Step 6: Final answer
    x = 8,951.86

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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.