Home / 10,143.09-13,993.14-6,363.69

Finding the Fourth Proportional to 10,143.09, 13,993.14 and 6,363.69

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Solution

The fourth proportional to 10,143.09, 13,993.14 and 6,363.69 is: 8,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.09 : 13,993.14 = 6,363.69 : x
  2. Step 2: Convert to fraction form
    10,143.09/13,993.14 = 6,363.69/x
  3. Step 3: Cross multiply
    10,143.09x = 13,993.14 × 6,363.69
  4. Step 4: Simplify right side
    10,143.09x = 89,048,005.09
  5. Step 5: Solve for x
    x = 89,048,005.09/10,143.09
  6. Step 6: Final answer
    x = 8,779.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.