Home / 21,473.67-29,628.04-12,396.81

Finding the Fourth Proportional to 21,473.67, 29,628.04 and 12,396.81

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Solution

The fourth proportional to 21,473.67, 29,628.04 and 12,396.81 is: 17,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.67 : 29,628.04 = 12,396.81 : x
  2. Step 2: Convert to fraction form
    21,473.67/29,628.04 = 12,396.81/x
  3. Step 3: Cross multiply
    21,473.67x = 29,628.04 × 12,396.81
  4. Step 4: Simplify right side
    21,473.67x = 367,293,182.55
  5. Step 5: Solve for x
    x = 367,293,182.55/21,473.67
  6. Step 6: Final answer
    x = 17,104.35

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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.