Home / 8,974.18-12,383.98-4,995.19

Finding the Fourth Proportional to 8,974.18, 12,383.98 and 4,995.19

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Solution

The fourth proportional to 8,974.18, 12,383.98 and 4,995.19 is: 6,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.18 : 12,383.98 = 4,995.19 : x
  2. Step 2: Convert to fraction form
    8,974.18/12,383.98 = 4,995.19/x
  3. Step 3: Cross multiply
    8,974.18x = 12,383.98 × 4,995.19
  4. Step 4: Simplify right side
    8,974.18x = 61,860,333.06
  5. Step 5: Solve for x
    x = 61,860,333.06/8,974.18
  6. Step 6: Final answer
    x = 6,893.15

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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.