Home / 19,245.58-26,557.14-11,286.34

Finding the Fourth Proportional to 19,245.58, 26,557.14 and 11,286.34

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Solution

The fourth proportional to 19,245.58, 26,557.14 and 11,286.34 is: 15,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.58 : 26,557.14 = 11,286.34 : x
  2. Step 2: Convert to fraction form
    19,245.58/26,557.14 = 11,286.34/x
  3. Step 3: Cross multiply
    19,245.58x = 26,557.14 × 11,286.34
  4. Step 4: Simplify right side
    19,245.58x = 299,732,911.47
  5. Step 5: Solve for x
    x = 299,732,911.47/19,245.58
  6. Step 6: Final answer
    x = 15,574.12

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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.