Home / 13,088.99-19,630.59-4,321.82

Finding the Fourth Proportional to 13,088.99, 19,630.59 and 4,321.82

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Solution

The fourth proportional to 13,088.99, 19,630.59 and 4,321.82 is: 6,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.99 : 19,630.59 = 4,321.82 : x
  2. Step 2: Convert to fraction form
    13,088.99/19,630.59 = 4,321.82/x
  3. Step 3: Cross multiply
    13,088.99x = 19,630.59 × 4,321.82
  4. Step 4: Simplify right side
    13,088.99x = 84,839,778.32
  5. Step 5: Solve for x
    x = 84,839,778.32/13,088.99
  6. Step 6: Final answer
    x = 6,481.77

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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.