Home / 19,639.61-29,464.02-6,491.98

Finding the Fourth Proportional to 19,639.61, 29,464.02 and 6,491.98

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Solution

The fourth proportional to 19,639.61, 29,464.02 and 6,491.98 is: 9,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.61 : 29,464.02 = 6,491.98 : x
  2. Step 2: Convert to fraction form
    19,639.61/29,464.02 = 6,491.98/x
  3. Step 3: Cross multiply
    19,639.61x = 29,464.02 × 6,491.98
  4. Step 4: Simplify right side
    19,639.61x = 191,279,699.65
  5. Step 5: Solve for x
    x = 191,279,699.65/19,639.61
  6. Step 6: Final answer
    x = 9,739.49

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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.