Home / 12,277.94-16,943.55-6,688.94

Finding the Fourth Proportional to 12,277.94, 16,943.55 and 6,688.94

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Solution

The fourth proportional to 12,277.94, 16,943.55 and 6,688.94 is: 9,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.94 : 16,943.55 = 6,688.94 : x
  2. Step 2: Convert to fraction form
    12,277.94/16,943.55 = 6,688.94/x
  3. Step 3: Cross multiply
    12,277.94x = 16,943.55 × 6,688.94
  4. Step 4: Simplify right side
    12,277.94x = 113,334,389.34
  5. Step 5: Solve for x
    x = 113,334,389.34/12,277.94
  6. Step 6: Final answer
    x = 9,230.73

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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.