Home / 19,360.26-26,709.48-11,389.86

Finding the Fourth Proportional to 19,360.26, 26,709.48 and 11,389.86

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Solution

The fourth proportional to 19,360.26, 26,709.48 and 11,389.86 is: 15,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.26 : 26,709.48 = 11,389.86 : x
  2. Step 2: Convert to fraction form
    19,360.26/26,709.48 = 11,389.86/x
  3. Step 3: Cross multiply
    19,360.26x = 26,709.48 × 11,389.86
  4. Step 4: Simplify right side
    19,360.26x = 304,217,237.87
  5. Step 5: Solve for x
    x = 304,217,237.87/19,360.26
  6. Step 6: Final answer
    x = 15,713.49

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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.