Home / 14,789.70-20,410.61-8,075.95

Finding the Fourth Proportional to 14,789.70, 20,410.61 and 8,075.95

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Solution

The fourth proportional to 14,789.70, 20,410.61 and 8,075.95 is: 11,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.70 : 20,410.61 = 8,075.95 : x
  2. Step 2: Convert to fraction form
    14,789.70/20,410.61 = 8,075.95/x
  3. Step 3: Cross multiply
    14,789.70x = 20,410.61 × 8,075.95
  4. Step 4: Simplify right side
    14,789.70x = 164,835,065.83
  5. Step 5: Solve for x
    x = 164,835,065.83/14,789.70
  6. Step 6: Final answer
    x = 11,145.26

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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.