Home / 8,817.98-13,226.96-6,871.64

Finding the Fourth Proportional to 8,817.98, 13,226.96 and 6,871.64

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Solution

The fourth proportional to 8,817.98, 13,226.96 and 6,871.64 is: 10,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.98 : 13,226.96 = 6,871.64 : x
  2. Step 2: Convert to fraction form
    8,817.98/13,226.96 = 6,871.64/x
  3. Step 3: Cross multiply
    8,817.98x = 13,226.96 × 6,871.64
  4. Step 4: Simplify right side
    8,817.98x = 90,890,858.46
  5. Step 5: Solve for x
    x = 90,890,858.46/8,817.98
  6. Step 6: Final answer
    x = 10,307.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.