Home / 10,786.39-14,883-6,309.25

Finding the Fourth Proportional to 10,786.39, 14,883 and 6,309.25

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Solution

The fourth proportional to 10,786.39, 14,883 and 6,309.25 is: 8,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.39 : 14,883 = 6,309.25 : x
  2. Step 2: Convert to fraction form
    10,786.39/14,883 = 6,309.25/x
  3. Step 3: Cross multiply
    10,786.39x = 14,883 × 6,309.25
  4. Step 4: Simplify right side
    10,786.39x = 93,900,567.75
  5. Step 5: Solve for x
    x = 93,900,567.75/10,786.39
  6. Step 6: Final answer
    x = 8,705.47

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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.