Home / 12,246.51-16,899.33-6,868.55

Finding the Fourth Proportional to 12,246.51, 16,899.33 and 6,868.55

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Solution

The fourth proportional to 12,246.51, 16,899.33 and 6,868.55 is: 9,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.51 : 16,899.33 = 6,868.55 : x
  2. Step 2: Convert to fraction form
    12,246.51/16,899.33 = 6,868.55/x
  3. Step 3: Cross multiply
    12,246.51x = 16,899.33 × 6,868.55
  4. Step 4: Simplify right side
    12,246.51x = 116,073,893.07
  5. Step 5: Solve for x
    x = 116,073,893.07/12,246.51
  6. Step 6: Final answer
    x = 9,478.12

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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.