Home / 12,647.04-17,452.05-6,981.81

Finding the Fourth Proportional to 12,647.04, 17,452.05 and 6,981.81

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Solution

The fourth proportional to 12,647.04, 17,452.05 and 6,981.81 is: 9,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.04 : 17,452.05 = 6,981.81 : x
  2. Step 2: Convert to fraction form
    12,647.04/17,452.05 = 6,981.81/x
  3. Step 3: Cross multiply
    12,647.04x = 17,452.05 × 6,981.81
  4. Step 4: Simplify right side
    12,647.04x = 121,846,897.21
  5. Step 5: Solve for x
    x = 121,846,897.21/12,647.04
  6. Step 6: Final answer
    x = 9,634.42

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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.