Home / 10,293.83-14,205.45-5,578.12

Finding the Fourth Proportional to 10,293.83, 14,205.45 and 5,578.12

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Solution

The fourth proportional to 10,293.83, 14,205.45 and 5,578.12 is: 7,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.83 : 14,205.45 = 5,578.12 : x
  2. Step 2: Convert to fraction form
    10,293.83/14,205.45 = 5,578.12/x
  3. Step 3: Cross multiply
    10,293.83x = 14,205.45 × 5,578.12
  4. Step 4: Simplify right side
    10,293.83x = 79,239,704.75
  5. Step 5: Solve for x
    x = 79,239,704.75/10,293.83
  6. Step 6: Final answer
    x = 7,697.79

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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.