Home / 19,664.34-29,485.56-6,513.18

Finding the Fourth Proportional to 19,664.34, 29,485.56 and 6,513.18

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Solution

The fourth proportional to 19,664.34, 29,485.56 and 6,513.18 is: 9,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.34 : 29,485.56 = 6,513.18 : x
  2. Step 2: Convert to fraction form
    19,664.34/29,485.56 = 6,513.18/x
  3. Step 3: Cross multiply
    19,664.34x = 29,485.56 × 6,513.18
  4. Step 4: Simplify right side
    19,664.34x = 192,044,759.68
  5. Step 5: Solve for x
    x = 192,044,759.68/19,664.34
  6. Step 6: Final answer
    x = 9,766.14

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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.