Home / 13,806.15-19,027.83-11,271.93

Finding the Fourth Proportional to 13,806.15, 19,027.83 and 11,271.93

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Solution

The fourth proportional to 13,806.15, 19,027.83 and 11,271.93 is: 15,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.15 : 19,027.83 = 11,271.93 : x
  2. Step 2: Convert to fraction form
    13,806.15/19,027.83 = 11,271.93/x
  3. Step 3: Cross multiply
    13,806.15x = 19,027.83 × 11,271.93
  4. Step 4: Simplify right side
    13,806.15x = 214,480,367.81
  5. Step 5: Solve for x
    x = 214,480,367.81/13,806.15
  6. Step 6: Final answer
    x = 15,535.13

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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.