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Finding the Fourth Proportional to 11,703.60, 17,548.20 and 4,684.68

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Solution

The fourth proportional to 11,703.60, 17,548.20 and 4,684.68 is: 7,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.60 : 17,548.20 = 4,684.68 : x
  2. Step 2: Convert to fraction form
    11,703.60/17,548.20 = 4,684.68/x
  3. Step 3: Cross multiply
    11,703.60x = 17,548.20 × 4,684.68
  4. Step 4: Simplify right side
    11,703.60x = 82,207,701.58
  5. Step 5: Solve for x
    x = 82,207,701.58/11,703.60
  6. Step 6: Final answer
    x = 7,024.14

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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.