Home / 19,357.36-26,712.68-11,292.56

Finding the Fourth Proportional to 19,357.36, 26,712.68 and 11,292.56

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Solution

The fourth proportional to 19,357.36, 26,712.68 and 11,292.56 is: 15,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.36 : 26,712.68 = 11,292.56 : x
  2. Step 2: Convert to fraction form
    19,357.36/26,712.68 = 11,292.56/x
  3. Step 3: Cross multiply
    19,357.36x = 26,712.68 × 11,292.56
  4. Step 4: Simplify right side
    19,357.36x = 301,654,541.66
  5. Step 5: Solve for x
    x = 301,654,541.66/19,357.36
  6. Step 6: Final answer
    x = 15,583.45

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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.