Home / 13,941.86-20,915.35-4,582.40

Finding the Fourth Proportional to 13,941.86, 20,915.35 and 4,582.40

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Solution

The fourth proportional to 13,941.86, 20,915.35 and 4,582.40 is: 6,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.86 : 20,915.35 = 4,582.40 : x
  2. Step 2: Convert to fraction form
    13,941.86/20,915.35 = 4,582.40/x
  3. Step 3: Cross multiply
    13,941.86x = 20,915.35 × 4,582.40
  4. Step 4: Simplify right side
    13,941.86x = 95,842,383.81
  5. Step 5: Solve for x
    x = 95,842,383.81/13,941.86
  6. Step 6: Final answer
    x = 6,874.44

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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.