Home / 12,539.13-18,806.29-6,297.45

Finding the Fourth Proportional to 12,539.13, 18,806.29 and 6,297.45

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Solution

The fourth proportional to 12,539.13, 18,806.29 and 6,297.45 is: 9,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.13 : 18,806.29 = 6,297.45 : x
  2. Step 2: Convert to fraction form
    12,539.13/18,806.29 = 6,297.45/x
  3. Step 3: Cross multiply
    12,539.13x = 18,806.29 × 6,297.45
  4. Step 4: Simplify right side
    12,539.13x = 118,431,670.96
  5. Step 5: Solve for x
    x = 118,431,670.96/12,539.13
  6. Step 6: Final answer
    x = 9,444.97

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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.