Home / 23,646.21-32,630.93-12,890.86

Finding the Fourth Proportional to 23,646.21, 32,630.93 and 12,890.86

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Solution

The fourth proportional to 23,646.21, 32,630.93 and 12,890.86 is: 17,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,646.21 : 32,630.93 = 12,890.86 : x
  2. Step 2: Convert to fraction form
    23,646.21/32,630.93 = 12,890.86/x
  3. Step 3: Cross multiply
    23,646.21x = 32,630.93 × 12,890.86
  4. Step 4: Simplify right side
    23,646.21x = 420,640,750.30
  5. Step 5: Solve for x
    x = 420,640,750.30/23,646.21
  6. Step 6: Final answer
    x = 17,788.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.