Home / 19,379.52-26,742.96-11,422.08

Finding the Fourth Proportional to 19,379.52, 26,742.96 and 11,422.08

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Solution

The fourth proportional to 19,379.52, 26,742.96 and 11,422.08 is: 15,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.52 : 26,742.96 = 11,422.08 : x
  2. Step 2: Convert to fraction form
    19,379.52/26,742.96 = 11,422.08/x
  3. Step 3: Cross multiply
    19,379.52x = 26,742.96 × 11,422.08
  4. Step 4: Simplify right side
    19,379.52x = 305,460,228.56
  5. Step 5: Solve for x
    x = 305,460,228.56/19,379.52
  6. Step 6: Final answer
    x = 15,762.01

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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.