Home / 19,818.68-29,727.81-6,670.96

Finding the Fourth Proportional to 19,818.68, 29,727.81 and 6,670.96

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Solution

The fourth proportional to 19,818.68, 29,727.81 and 6,670.96 is: 10,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.68 : 29,727.81 = 6,670.96 : x
  2. Step 2: Convert to fraction form
    19,818.68/29,727.81 = 6,670.96/x
  3. Step 3: Cross multiply
    19,818.68x = 29,727.81 × 6,670.96
  4. Step 4: Simplify right side
    19,818.68x = 198,312,957.08
  5. Step 5: Solve for x
    x = 198,312,957.08/19,818.68
  6. Step 6: Final answer
    x = 10,006.37

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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.