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Finding the Fourth Proportional to 12,017.53, 18,001.81 and 9,804.25

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Solution

The fourth proportional to 12,017.53, 18,001.81 and 9,804.25 is: 14,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.53 : 18,001.81 = 9,804.25 : x
  2. Step 2: Convert to fraction form
    12,017.53/18,001.81 = 9,804.25/x
  3. Step 3: Cross multiply
    12,017.53x = 18,001.81 × 9,804.25
  4. Step 4: Simplify right side
    12,017.53x = 176,494,245.69
  5. Step 5: Solve for x
    x = 176,494,245.69/12,017.53
  6. Step 6: Final answer
    x = 14,686.40

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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.