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Finding the Fourth Proportional to 17,308.78, 23,886.08 and 9,350.98

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Solution

The fourth proportional to 17,308.78, 23,886.08 and 9,350.98 is: 12,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,308.78 : 23,886.08 = 9,350.98 : x
  2. Step 2: Convert to fraction form
    17,308.78/23,886.08 = 9,350.98/x
  3. Step 3: Cross multiply
    17,308.78x = 23,886.08 × 9,350.98
  4. Step 4: Simplify right side
    17,308.78x = 223,358,256.36
  5. Step 5: Solve for x
    x = 223,358,256.36/17,308.78
  6. Step 6: Final answer
    x = 12,904.33

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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.