Home / 14,789.40-20,409.24-8,075.01

Finding the Fourth Proportional to 14,789.40, 20,409.24 and 8,075.01

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Solution

The fourth proportional to 14,789.40, 20,409.24 and 8,075.01 is: 11,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.40 : 20,409.24 = 8,075.01 : x
  2. Step 2: Convert to fraction form
    14,789.40/20,409.24 = 8,075.01/x
  3. Step 3: Cross multiply
    14,789.40x = 20,409.24 × 8,075.01
  4. Step 4: Simplify right side
    14,789.40x = 164,804,817.09
  5. Step 5: Solve for x
    x = 164,804,817.09/14,789.40
  6. Step 6: Final answer
    x = 11,143.44

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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.