Home / 10,293.88-14,205.62-5,578.19

Finding the Fourth Proportional to 10,293.88, 14,205.62 and 5,578.19

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Solution

The fourth proportional to 10,293.88, 14,205.62 and 5,578.19 is: 7,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.88 : 14,205.62 = 5,578.19 : x
  2. Step 2: Convert to fraction form
    10,293.88/14,205.62 = 5,578.19/x
  3. Step 3: Cross multiply
    10,293.88x = 14,205.62 × 5,578.19
  4. Step 4: Simplify right side
    10,293.88x = 79,241,619.54
  5. Step 5: Solve for x
    x = 79,241,619.54/10,293.88
  6. Step 6: Final answer
    x = 7,697.94

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Half scale
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Double scale
Find fourth proportional to 10,294.88, 14,207 and 5,579.19
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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.