Home / 13,200.66-19,800.99-4,435.58

Finding the Fourth Proportional to 13,200.66, 19,800.99 and 4,435.58

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Solution

The fourth proportional to 13,200.66, 19,800.99 and 4,435.58 is: 6,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.66 : 19,800.99 = 4,435.58 : x
  2. Step 2: Convert to fraction form
    13,200.66/19,800.99 = 4,435.58/x
  3. Step 3: Cross multiply
    13,200.66x = 19,800.99 × 4,435.58
  4. Step 4: Simplify right side
    13,200.66x = 87,828,776.22
  5. Step 5: Solve for x
    x = 87,828,776.22/13,200.66
  6. Step 6: Final answer
    x = 6,653.36

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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.