Home / 19,814.77-29,703.55-6,657.94

Finding the Fourth Proportional to 19,814.77, 29,703.55 and 6,657.94

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Solution

The fourth proportional to 19,814.77, 29,703.55 and 6,657.94 is: 9,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.77 : 29,703.55 = 6,657.94 : x
  2. Step 2: Convert to fraction form
    19,814.77/29,703.55 = 6,657.94/x
  3. Step 3: Cross multiply
    19,814.77x = 29,703.55 × 6,657.94
  4. Step 4: Simplify right side
    19,814.77x = 197,764,552.91
  5. Step 5: Solve for x
    x = 197,764,552.91/19,814.77
  6. Step 6: Final answer
    x = 9,980.66

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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.