Home / 14,440.79-19,926.19-8,471.09

Finding the Fourth Proportional to 14,440.79, 19,926.19 and 8,471.09

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Solution

The fourth proportional to 14,440.79, 19,926.19 and 8,471.09 is: 11,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.79 : 19,926.19 = 8,471.09 : x
  2. Step 2: Convert to fraction form
    14,440.79/19,926.19 = 8,471.09/x
  3. Step 3: Cross multiply
    14,440.79x = 19,926.19 × 8,471.09
  4. Step 4: Simplify right side
    14,440.79x = 168,796,548.85
  5. Step 5: Solve for x
    x = 168,796,548.85/14,440.79
  6. Step 6: Final answer
    x = 11,688.87

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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.