Home / 14,476.12-19,977.78-8,190.52

Finding the Fourth Proportional to 14,476.12, 19,977.78 and 8,190.52

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Solution

The fourth proportional to 14,476.12, 19,977.78 and 8,190.52 is: 11,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.12 : 19,977.78 = 8,190.52 : x
  2. Step 2: Convert to fraction form
    14,476.12/19,977.78 = 8,190.52/x
  3. Step 3: Cross multiply
    14,476.12x = 19,977.78 × 8,190.52
  4. Step 4: Simplify right side
    14,476.12x = 163,628,406.65
  5. Step 5: Solve for x
    x = 163,628,406.65/14,476.12
  6. Step 6: Final answer
    x = 11,303.33

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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.