Home / 13,866.77-20,793.48-9,708.75

Finding the Fourth Proportional to 13,866.77, 20,793.48 and 9,708.75

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Solution

The fourth proportional to 13,866.77, 20,793.48 and 9,708.75 is: 14,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.77 : 20,793.48 = 9,708.75 : x
  2. Step 2: Convert to fraction form
    13,866.77/20,793.48 = 9,708.75/x
  3. Step 3: Cross multiply
    13,866.77x = 20,793.48 × 9,708.75
  4. Step 4: Simplify right side
    13,866.77x = 201,878,698.95
  5. Step 5: Solve for x
    x = 201,878,698.95/13,866.77
  6. Step 6: Final answer
    x = 14,558.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.