Home / 14,306.56-19,739.32-8,636.84

Finding the Fourth Proportional to 14,306.56, 19,739.32 and 8,636.84

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Solution

The fourth proportional to 14,306.56, 19,739.32 and 8,636.84 is: 11,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.56 : 19,739.32 = 8,636.84 : x
  2. Step 2: Convert to fraction form
    14,306.56/19,739.32 = 8,636.84/x
  3. Step 3: Cross multiply
    14,306.56x = 19,739.32 × 8,636.84
  4. Step 4: Simplify right side
    14,306.56x = 170,485,348.55
  5. Step 5: Solve for x
    x = 170,485,348.55/14,306.56
  6. Step 6: Final answer
    x = 11,916.59

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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.