Home / 19,669.86-29,493.54-9,134.46

Finding the Fourth Proportional to 19,669.86, 29,493.54 and 9,134.46

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Solution

The fourth proportional to 19,669.86, 29,493.54 and 9,134.46 is: 13,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.86 : 29,493.54 = 9,134.46 : x
  2. Step 2: Convert to fraction form
    19,669.86/29,493.54 = 9,134.46/x
  3. Step 3: Cross multiply
    19,669.86x = 29,493.54 × 9,134.46
  4. Step 4: Simplify right side
    19,669.86x = 269,407,561.39
  5. Step 5: Solve for x
    x = 269,407,561.39/19,669.86
  6. Step 6: Final answer
    x = 13,696.47

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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.