Home / 12,646.13-18,971.63-4,854.33

Finding the Fourth Proportional to 12,646.13, 18,971.63 and 4,854.33

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Solution

The fourth proportional to 12,646.13, 18,971.63 and 4,854.33 is: 7,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.13 : 18,971.63 = 4,854.33 : x
  2. Step 2: Convert to fraction form
    12,646.13/18,971.63 = 4,854.33/x
  3. Step 3: Cross multiply
    12,646.13x = 18,971.63 × 4,854.33
  4. Step 4: Simplify right side
    12,646.13x = 92,094,528.39
  5. Step 5: Solve for x
    x = 92,094,528.39/12,646.13
  6. Step 6: Final answer
    x = 7,282.43

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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.