Home / 12,391.60-18,587.40-4,598.86

Finding the Fourth Proportional to 12,391.60, 18,587.40 and 4,598.86

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Solution

The fourth proportional to 12,391.60, 18,587.40 and 4,598.86 is: 6,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.60 : 18,587.40 = 4,598.86 : x
  2. Step 2: Convert to fraction form
    12,391.60/18,587.40 = 4,598.86/x
  3. Step 3: Cross multiply
    12,391.60x = 18,587.40 × 4,598.86
  4. Step 4: Simplify right side
    12,391.60x = 85,480,850.36
  5. Step 5: Solve for x
    x = 85,480,850.36/12,391.60
  6. Step 6: Final answer
    x = 6,898.29

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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.