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Finding the Fourth Proportional to 8,973, 12,382.35 and 4,994.49

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Solution

The fourth proportional to 8,973, 12,382.35 and 4,994.49 is: 6,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973 : 12,382.35 = 4,994.49 : x
  2. Step 2: Convert to fraction form
    8,973/12,382.35 = 4,994.49/x
  3. Step 3: Cross multiply
    8,973x = 12,382.35 × 4,994.49
  4. Step 4: Simplify right side
    8,973x = 61,843,523.25
  5. Step 5: Solve for x
    x = 61,843,523.25/8,973
  6. Step 6: Final answer
    x = 6,892.18

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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.