Home / 12,277.28-16,941.16-6,971.92

Finding the Fourth Proportional to 12,277.28, 16,941.16 and 6,971.92

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Solution

The fourth proportional to 12,277.28, 16,941.16 and 6,971.92 is: 9,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.28 : 16,941.16 = 6,971.92 : x
  2. Step 2: Convert to fraction form
    12,277.28/16,941.16 = 6,971.92/x
  3. Step 3: Cross multiply
    12,277.28x = 16,941.16 × 6,971.92
  4. Step 4: Simplify right side
    12,277.28x = 118,112,412.23
  5. Step 5: Solve for x
    x = 118,112,412.23/12,277.28
  6. Step 6: Final answer
    x = 9,620.41

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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.