Home / 13,158.36-19,735.74-4,393.08

Finding the Fourth Proportional to 13,158.36, 19,735.74 and 4,393.08

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Solution

The fourth proportional to 13,158.36, 19,735.74 and 4,393.08 is: 6,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.36 : 19,735.74 = 4,393.08 : x
  2. Step 2: Convert to fraction form
    13,158.36/19,735.74 = 4,393.08/x
  3. Step 3: Cross multiply
    13,158.36x = 19,735.74 × 4,393.08
  4. Step 4: Simplify right side
    13,158.36x = 86,700,684.68
  5. Step 5: Solve for x
    x = 86,700,684.68/13,158.36
  6. Step 6: Final answer
    x = 6,589.02

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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.