Home / 14,991.58-20,688.24-8,277.19

Finding the Fourth Proportional to 14,991.58, 20,688.24 and 8,277.19

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Solution

The fourth proportional to 14,991.58, 20,688.24 and 8,277.19 is: 11,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.58 : 20,688.24 = 8,277.19 : x
  2. Step 2: Convert to fraction form
    14,991.58/20,688.24 = 8,277.19/x
  3. Step 3: Cross multiply
    14,991.58x = 20,688.24 × 8,277.19
  4. Step 4: Simplify right side
    14,991.58x = 171,240,493.25
  5. Step 5: Solve for x
    x = 171,240,493.25/14,991.58
  6. Step 6: Final answer
    x = 11,422.44

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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.