Home / 8,817.84-12,171.21-5,043.15

Finding the Fourth Proportional to 8,817.84, 12,171.21 and 5,043.15

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Solution

The fourth proportional to 8,817.84, 12,171.21 and 5,043.15 is: 6,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.84 : 12,171.21 = 5,043.15 : x
  2. Step 2: Convert to fraction form
    8,817.84/12,171.21 = 5,043.15/x
  3. Step 3: Cross multiply
    8,817.84x = 12,171.21 × 5,043.15
  4. Step 4: Simplify right side
    8,817.84x = 61,381,237.71
  5. Step 5: Solve for x
    x = 61,381,237.71/8,817.84
  6. Step 6: Final answer
    x = 6,961.03

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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.