Home / 19,323-26,665.74-10,939.50

Finding the Fourth Proportional to 19,323, 26,665.74 and 10,939.50

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Solution

The fourth proportional to 19,323, 26,665.74 and 10,939.50 is: 15,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323 : 26,665.74 = 10,939.50 : x
  2. Step 2: Convert to fraction form
    19,323/26,665.74 = 10,939.50/x
  3. Step 3: Cross multiply
    19,323x = 26,665.74 × 10,939.50
  4. Step 4: Simplify right side
    19,323x = 291,709,862.73
  5. Step 5: Solve for x
    x = 291,709,862.73/19,323
  6. Step 6: Final answer
    x = 15,096.51

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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.