Home / 14,446.08-19,935.36-8,072.76

Finding the Fourth Proportional to 14,446.08, 19,935.36 and 8,072.76

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Solution

The fourth proportional to 14,446.08, 19,935.36 and 8,072.76 is: 11,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.08 : 19,935.36 = 8,072.76 : x
  2. Step 2: Convert to fraction form
    14,446.08/19,935.36 = 8,072.76/x
  3. Step 3: Cross multiply
    14,446.08x = 19,935.36 × 8,072.76
  4. Step 4: Simplify right side
    14,446.08x = 160,933,376.79
  5. Step 5: Solve for x
    x = 160,933,376.79/14,446.08
  6. Step 6: Final answer
    x = 11,140.28

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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.