Home / 9,984.81-13,781.43-6,005.16

Finding the Fourth Proportional to 9,984.81, 13,781.43 and 6,005.16

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Solution

The fourth proportional to 9,984.81, 13,781.43 and 6,005.16 is: 8,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.81 : 13,781.43 = 6,005.16 : x
  2. Step 2: Convert to fraction form
    9,984.81/13,781.43 = 6,005.16/x
  3. Step 3: Cross multiply
    9,984.81x = 13,781.43 × 6,005.16
  4. Step 4: Simplify right side
    9,984.81x = 82,759,692.18
  5. Step 5: Solve for x
    x = 82,759,692.18/9,984.81
  6. Step 6: Final answer
    x = 8,288.56

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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.