Home / 12,460.88-18,688.08-3,693.44

Finding the Fourth Proportional to 12,460.88, 18,688.08 and 3,693.44

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Solution

The fourth proportional to 12,460.88, 18,688.08 and 3,693.44 is: 5,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.88 : 18,688.08 = 3,693.44 : x
  2. Step 2: Convert to fraction form
    12,460.88/18,688.08 = 3,693.44/x
  3. Step 3: Cross multiply
    12,460.88x = 18,688.08 × 3,693.44
  4. Step 4: Simplify right side
    12,460.88x = 69,023,302.20
  5. Step 5: Solve for x
    x = 69,023,302.20/12,460.88
  6. Step 6: Final answer
    x = 5,539.20

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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.