Home / 19,239.21-26,548.38-10,740.69

Finding the Fourth Proportional to 19,239.21, 26,548.38 and 10,740.69

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Solution

The fourth proportional to 19,239.21, 26,548.38 and 10,740.69 is: 14,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.21 : 26,548.38 = 10,740.69 : x
  2. Step 2: Convert to fraction form
    19,239.21/26,548.38 = 10,740.69/x
  3. Step 3: Cross multiply
    19,239.21x = 26,548.38 × 10,740.69
  4. Step 4: Simplify right side
    19,239.21x = 285,147,919.58
  5. Step 5: Solve for x
    x = 285,147,919.58/19,239.21
  6. Step 6: Final answer
    x = 14,821.19

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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.