Home / 12,393.60-18,590.40-4,600.86

Finding the Fourth Proportional to 12,393.60, 18,590.40 and 4,600.86

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Solution

The fourth proportional to 12,393.60, 18,590.40 and 4,600.86 is: 6,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.60 : 18,590.40 = 4,600.86 : x
  2. Step 2: Convert to fraction form
    12,393.60/18,590.40 = 4,600.86/x
  3. Step 3: Cross multiply
    12,393.60x = 18,590.40 × 4,600.86
  4. Step 4: Simplify right side
    12,393.60x = 85,531,827.74
  5. Step 5: Solve for x
    x = 85,531,827.74/12,393.60
  6. Step 6: Final answer
    x = 6,901.29

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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.