Home / 13,203.72-19,807.86-4,438.68

Finding the Fourth Proportional to 13,203.72, 19,807.86 and 4,438.68

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Solution

The fourth proportional to 13,203.72, 19,807.86 and 4,438.68 is: 6,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.72 : 19,807.86 = 4,438.68 : x
  2. Step 2: Convert to fraction form
    13,203.72/19,807.86 = 4,438.68/x
  3. Step 3: Cross multiply
    13,203.72x = 19,807.86 × 4,438.68
  4. Step 4: Simplify right side
    13,203.72x = 87,920,752.02
  5. Step 5: Solve for x
    x = 87,920,752.02/13,203.72
  6. Step 6: Final answer
    x = 6,658.79

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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.