Home / 18,683.09-28,026.69-9,325.46

Finding the Fourth Proportional to 18,683.09, 28,026.69 and 9,325.46

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Solution

The fourth proportional to 18,683.09, 28,026.69 and 9,325.46 is: 13,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.09 : 28,026.69 = 9,325.46 : x
  2. Step 2: Convert to fraction form
    18,683.09/28,026.69 = 9,325.46/x
  3. Step 3: Cross multiply
    18,683.09x = 28,026.69 × 9,325.46
  4. Step 4: Simplify right side
    18,683.09x = 261,361,589.77
  5. Step 5: Solve for x
    x = 261,361,589.77/18,683.09
  6. Step 6: Final answer
    x = 13,989.21

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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.