Home / 13,319.36-19,975.58-3,957.18

Finding the Fourth Proportional to 13,319.36, 19,975.58 and 3,957.18

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Solution

The fourth proportional to 13,319.36, 19,975.58 and 3,957.18 is: 5,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.36 : 19,975.58 = 3,957.18 : x
  2. Step 2: Convert to fraction form
    13,319.36/19,975.58 = 3,957.18/x
  3. Step 3: Cross multiply
    13,319.36x = 19,975.58 × 3,957.18
  4. Step 4: Simplify right side
    13,319.36x = 79,046,945.88
  5. Step 5: Solve for x
    x = 79,046,945.88/13,319.36
  6. Step 6: Final answer
    x = 5,934.74

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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.