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Finding the Fourth Proportional to 12,330.59, 17,015.29 and 7,024.37

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Solution

The fourth proportional to 12,330.59, 17,015.29 and 7,024.37 is: 9,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.59 : 17,015.29 = 7,024.37 : x
  2. Step 2: Convert to fraction form
    12,330.59/17,015.29 = 7,024.37/x
  3. Step 3: Cross multiply
    12,330.59x = 17,015.29 × 7,024.37
  4. Step 4: Simplify right side
    12,330.59x = 119,521,589.98
  5. Step 5: Solve for x
    x = 119,521,589.98/12,330.59
  6. Step 6: Final answer
    x = 9,693.10

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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.