Home / 12,630.56-18,957.54-6,394.97

Finding the Fourth Proportional to 12,630.56, 18,957.54 and 6,394.97

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Solution

The fourth proportional to 12,630.56, 18,957.54 and 6,394.97 is: 9,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.56 : 18,957.54 = 6,394.97 : x
  2. Step 2: Convert to fraction form
    12,630.56/18,957.54 = 6,394.97/x
  3. Step 3: Cross multiply
    12,630.56x = 18,957.54 × 6,394.97
  4. Step 4: Simplify right side
    12,630.56x = 121,232,804.79
  5. Step 5: Solve for x
    x = 121,232,804.79/12,630.56
  6. Step 6: Final answer
    x = 9,598.38

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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.