Home / 11,325.40-16,973.73-6,397.81

Finding the Fourth Proportional to 11,325.40, 16,973.73 and 6,397.81

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Solution

The fourth proportional to 11,325.40, 16,973.73 and 6,397.81 is: 9,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.40 : 16,973.73 = 6,397.81 : x
  2. Step 2: Convert to fraction form
    11,325.40/16,973.73 = 6,397.81/x
  3. Step 3: Cross multiply
    11,325.40x = 16,973.73 × 6,397.81
  4. Step 4: Simplify right side
    11,325.40x = 108,594,657.10
  5. Step 5: Solve for x
    x = 108,594,657.10/11,325.40
  6. Step 6: Final answer
    x = 9,588.60

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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.