Home / 14,259.64-21,360.72-11,942.80

Finding the Fourth Proportional to 14,259.64, 21,360.72 and 11,942.80

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Solution

The fourth proportional to 14,259.64, 21,360.72 and 11,942.80 is: 17,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.64 : 21,360.72 = 11,942.80 : x
  2. Step 2: Convert to fraction form
    14,259.64/21,360.72 = 11,942.80/x
  3. Step 3: Cross multiply
    14,259.64x = 21,360.72 × 11,942.80
  4. Step 4: Simplify right side
    14,259.64x = 255,106,806.82
  5. Step 5: Solve for x
    x = 255,106,806.82/14,259.64
  6. Step 6: Final answer
    x = 17,890.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.