Home / 12,230.63-18,335.57-4,840.30

Finding the Fourth Proportional to 12,230.63, 18,335.57 and 4,840.30

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Solution

The fourth proportional to 12,230.63, 18,335.57 and 4,840.30 is: 7,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.63 : 18,335.57 = 4,840.30 : x
  2. Step 2: Convert to fraction form
    12,230.63/18,335.57 = 4,840.30/x
  3. Step 3: Cross multiply
    12,230.63x = 18,335.57 × 4,840.30
  4. Step 4: Simplify right side
    12,230.63x = 88,749,567.79
  5. Step 5: Solve for x
    x = 88,749,567.79/12,230.63
  6. Step 6: Final answer
    x = 7,256.34

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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.