Home / 19,672.23-27,147.75-10,719.81

Finding the Fourth Proportional to 19,672.23, 27,147.75 and 10,719.81

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Solution

The fourth proportional to 19,672.23, 27,147.75 and 10,719.81 is: 14,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.23 : 27,147.75 = 10,719.81 : x
  2. Step 2: Convert to fraction form
    19,672.23/27,147.75 = 10,719.81/x
  3. Step 3: Cross multiply
    19,672.23x = 27,147.75 × 10,719.81
  4. Step 4: Simplify right side
    19,672.23x = 291,018,721.93
  5. Step 5: Solve for x
    x = 291,018,721.93/19,672.23
  6. Step 6: Final answer
    x = 14,793.38

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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.