Home / 9,840.84-13,584.90-6,306.06

Finding the Fourth Proportional to 9,840.84, 13,584.90 and 6,306.06

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Solution

The fourth proportional to 9,840.84, 13,584.90 and 6,306.06 is: 8,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.84 : 13,584.90 = 6,306.06 : x
  2. Step 2: Convert to fraction form
    9,840.84/13,584.90 = 6,306.06/x
  3. Step 3: Cross multiply
    9,840.84x = 13,584.90 × 6,306.06
  4. Step 4: Simplify right side
    9,840.84x = 85,667,194.49
  5. Step 5: Solve for x
    x = 85,667,194.49/9,840.84
  6. Step 6: Final answer
    x = 8,705.27

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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.