Home / 13,165.35-19,749.05-4,400.29

Finding the Fourth Proportional to 13,165.35, 19,749.05 and 4,400.29

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Solution

The fourth proportional to 13,165.35, 19,749.05 and 4,400.29 is: 6,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.35 : 19,749.05 = 4,400.29 : x
  2. Step 2: Convert to fraction form
    13,165.35/19,749.05 = 4,400.29/x
  3. Step 3: Cross multiply
    13,165.35x = 19,749.05 × 4,400.29
  4. Step 4: Simplify right side
    13,165.35x = 86,901,547.22
  5. Step 5: Solve for x
    x = 86,901,547.22/13,165.35
  6. Step 6: Final answer
    x = 6,600.78

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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.