Home / 12,985.27-19,466.21-4,663.33

Finding the Fourth Proportional to 12,985.27, 19,466.21 and 4,663.33

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Solution

The fourth proportional to 12,985.27, 19,466.21 and 4,663.33 is: 6,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985.27 : 19,466.21 = 4,663.33 : x
  2. Step 2: Convert to fraction form
    12,985.27/19,466.21 = 4,663.33/x
  3. Step 3: Cross multiply
    12,985.27x = 19,466.21 × 4,663.33
  4. Step 4: Simplify right side
    12,985.27x = 90,777,324.07
  5. Step 5: Solve for x
    x = 90,777,324.07/12,985.27
  6. Step 6: Final answer
    x = 6,990.79

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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.