Home / 19,861.91-29,798.31-6,723.51

Finding the Fourth Proportional to 19,861.91, 29,798.31 and 6,723.51

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Solution

The fourth proportional to 19,861.91, 29,798.31 and 6,723.51 is: 10,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.91 : 29,798.31 = 6,723.51 : x
  2. Step 2: Convert to fraction form
    19,861.91/29,798.31 = 6,723.51/x
  3. Step 3: Cross multiply
    19,861.91x = 29,798.31 × 6,723.51
  4. Step 4: Simplify right side
    19,861.91x = 200,349,148.74
  5. Step 5: Solve for x
    x = 200,349,148.74/19,861.91
  6. Step 6: Final answer
    x = 10,087.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.