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Finding the Fourth Proportional to 12,308.93, 18,473.06 and 8,586.93

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Solution

The fourth proportional to 12,308.93, 18,473.06 and 8,586.93 is: 12,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.93 : 18,473.06 = 8,586.93 : x
  2. Step 2: Convert to fraction form
    12,308.93/18,473.06 = 8,586.93/x
  3. Step 3: Cross multiply
    12,308.93x = 18,473.06 × 8,586.93
  4. Step 4: Simplify right side
    12,308.93x = 158,626,859.94
  5. Step 5: Solve for x
    x = 158,626,859.94/12,308.93
  6. Step 6: Final answer
    x = 12,887.14

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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.