Home / 12,959.04-19,441.34-4,193.80

Finding the Fourth Proportional to 12,959.04, 19,441.34 and 4,193.80

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Solution

The fourth proportional to 12,959.04, 19,441.34 and 4,193.80 is: 6,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.04 : 19,441.34 = 4,193.80 : x
  2. Step 2: Convert to fraction form
    12,959.04/19,441.34 = 4,193.80/x
  3. Step 3: Cross multiply
    12,959.04x = 19,441.34 × 4,193.80
  4. Step 4: Simplify right side
    12,959.04x = 81,533,091.69
  5. Step 5: Solve for x
    x = 81,533,091.69/12,959.04
  6. Step 6: Final answer
    x = 6,291.60

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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.