Home / 13,194.80-19,783.26-6,948.20

Finding the Fourth Proportional to 13,194.80, 19,783.26 and 6,948.20

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Solution

The fourth proportional to 13,194.80, 19,783.26 and 6,948.20 is: 10,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.80 : 19,783.26 = 6,948.20 : x
  2. Step 2: Convert to fraction form
    13,194.80/19,783.26 = 6,948.20/x
  3. Step 3: Cross multiply
    13,194.80x = 19,783.26 × 6,948.20
  4. Step 4: Simplify right side
    13,194.80x = 137,458,047.13
  5. Step 5: Solve for x
    x = 137,458,047.13/13,194.80
  6. Step 6: Final answer
    x = 10,417.59

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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.