Home / 13,164.08-19,745.76-4,399.20

Finding the Fourth Proportional to 13,164.08, 19,745.76 and 4,399.20

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Solution

The fourth proportional to 13,164.08, 19,745.76 and 4,399.20 is: 6,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.08 : 19,745.76 = 4,399.20 : x
  2. Step 2: Convert to fraction form
    13,164.08/19,745.76 = 4,399.20/x
  3. Step 3: Cross multiply
    13,164.08x = 19,745.76 × 4,399.20
  4. Step 4: Simplify right side
    13,164.08x = 86,865,547.39
  5. Step 5: Solve for x
    x = 86,865,547.39/13,164.08
  6. Step 6: Final answer
    x = 6,598.68

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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.