Home / 12,637.56-18,940.50-9,726.84

Finding the Fourth Proportional to 12,637.56, 18,940.50 and 9,726.84

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Solution

The fourth proportional to 12,637.56, 18,940.50 and 9,726.84 is: 14,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.56 : 18,940.50 = 9,726.84 : x
  2. Step 2: Convert to fraction form
    12,637.56/18,940.50 = 9,726.84/x
  3. Step 3: Cross multiply
    12,637.56x = 18,940.50 × 9,726.84
  4. Step 4: Simplify right side
    12,637.56x = 184,231,213.02
  5. Step 5: Solve for x
    x = 184,231,213.02/12,637.56
  6. Step 6: Final answer
    x = 14,578.07

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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.