Home / 19,288.48-26,620.08-11,735.35

Finding the Fourth Proportional to 19,288.48, 26,620.08 and 11,735.35

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Solution

The fourth proportional to 19,288.48, 26,620.08 and 11,735.35 is: 16,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.48 : 26,620.08 = 11,735.35 : x
  2. Step 2: Convert to fraction form
    19,288.48/26,620.08 = 11,735.35/x
  3. Step 3: Cross multiply
    19,288.48x = 26,620.08 × 11,735.35
  4. Step 4: Simplify right side
    19,288.48x = 312,395,955.83
  5. Step 5: Solve for x
    x = 312,395,955.83/19,288.48
  6. Step 6: Final answer
    x = 16,195.99

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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.