Home / 10,078.43-13,913.37-6,303.83

Finding the Fourth Proportional to 10,078.43, 13,913.37 and 6,303.83

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Solution

The fourth proportional to 10,078.43, 13,913.37 and 6,303.83 is: 8,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.43 : 13,913.37 = 6,303.83 : x
  2. Step 2: Convert to fraction form
    10,078.43/13,913.37 = 6,303.83/x
  3. Step 3: Cross multiply
    10,078.43x = 13,913.37 × 6,303.83
  4. Step 4: Simplify right side
    10,078.43x = 87,707,449.64
  5. Step 5: Solve for x
    x = 87,707,449.64/10,078.43
  6. Step 6: Final answer
    x = 8,702.50

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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.