Home / 12,394.77-18,587.83-4,997.31

Finding the Fourth Proportional to 12,394.77, 18,587.83 and 4,997.31

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Solution

The fourth proportional to 12,394.77, 18,587.83 and 4,997.31 is: 7,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.77 : 18,587.83 = 4,997.31 : x
  2. Step 2: Convert to fraction form
    12,394.77/18,587.83 = 4,997.31/x
  3. Step 3: Cross multiply
    12,394.77x = 18,587.83 × 4,997.31
  4. Step 4: Simplify right side
    12,394.77x = 92,889,030.81
  5. Step 5: Solve for x
    x = 92,889,030.81/12,394.77
  6. Step 6: Final answer
    x = 7,494.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.