Home / 20,442.60-30,683.48-10,588.95

Finding the Fourth Proportional to 20,442.60, 30,683.48 and 10,588.95

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Solution

The fourth proportional to 20,442.60, 30,683.48 and 10,588.95 is: 15,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.60 : 30,683.48 = 10,588.95 : x
  2. Step 2: Convert to fraction form
    20,442.60/30,683.48 = 10,588.95/x
  3. Step 3: Cross multiply
    20,442.60x = 30,683.48 × 10,588.95
  4. Step 4: Simplify right side
    20,442.60x = 324,905,782.60
  5. Step 5: Solve for x
    x = 324,905,782.60/20,442.60
  6. Step 6: Final answer
    x = 15,893.56

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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.