Home / 19,923.81-27,493.76-10,969.61

Finding the Fourth Proportional to 19,923.81, 27,493.76 and 10,969.61

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Solution

The fourth proportional to 19,923.81, 27,493.76 and 10,969.61 is: 15,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.81 : 27,493.76 = 10,969.61 : x
  2. Step 2: Convert to fraction form
    19,923.81/27,493.76 = 10,969.61/x
  3. Step 3: Cross multiply
    19,923.81x = 27,493.76 × 10,969.61
  4. Step 4: Simplify right side
    19,923.81x = 301,595,824.63
  5. Step 5: Solve for x
    x = 301,595,824.63/19,923.81
  6. Step 6: Final answer
    x = 15,137.46

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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.