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Finding the Fourth Proportional to 12,052, 16,635.10 and 7,017.18

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Solution

The fourth proportional to 12,052, 16,635.10 and 7,017.18 is: 9,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052 : 16,635.10 = 7,017.18 : x
  2. Step 2: Convert to fraction form
    12,052/16,635.10 = 7,017.18/x
  3. Step 3: Cross multiply
    12,052x = 16,635.10 × 7,017.18
  4. Step 4: Simplify right side
    12,052x = 116,731,491.02
  5. Step 5: Solve for x
    x = 116,731,491.02/12,052
  6. Step 6: Final answer
    x = 9,685.65

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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.