Home / 16,849.81-25,274.59-13,155.13

Finding the Fourth Proportional to 16,849.81, 25,274.59 and 13,155.13

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Solution

The fourth proportional to 16,849.81, 25,274.59 and 13,155.13 is: 19,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.81 : 25,274.59 = 13,155.13 : x
  2. Step 2: Convert to fraction form
    16,849.81/25,274.59 = 13,155.13/x
  3. Step 3: Cross multiply
    16,849.81x = 25,274.59 × 13,155.13
  4. Step 4: Simplify right side
    16,849.81x = 332,490,357.89
  5. Step 5: Solve for x
    x = 332,490,357.89/16,849.81
  6. Step 6: Final answer
    x = 19,732.59

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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.