Home / 19,289.37-26,620.09-11,331.53

Finding the Fourth Proportional to 19,289.37, 26,620.09 and 11,331.53

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Solution

The fourth proportional to 19,289.37, 26,620.09 and 11,331.53 is: 15,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.37 : 26,620.09 = 11,331.53 : x
  2. Step 2: Convert to fraction form
    19,289.37/26,620.09 = 11,331.53/x
  3. Step 3: Cross multiply
    19,289.37x = 26,620.09 × 11,331.53
  4. Step 4: Simplify right side
    19,289.37x = 301,646,350.57
  5. Step 5: Solve for x
    x = 301,646,350.57/19,289.37
  6. Step 6: Final answer
    x = 15,637.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.