Home / 19,995.02-29,976.32-8,316.98

Finding the Fourth Proportional to 19,995.02, 29,976.32 and 8,316.98

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Solution

The fourth proportional to 19,995.02, 29,976.32 and 8,316.98 is: 12,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.02 : 29,976.32 = 8,316.98 : x
  2. Step 2: Convert to fraction form
    19,995.02/29,976.32 = 8,316.98/x
  3. Step 3: Cross multiply
    19,995.02x = 29,976.32 × 8,316.98
  4. Step 4: Simplify right side
    19,995.02x = 249,312,453.91
  5. Step 5: Solve for x
    x = 249,312,453.91/19,995.02
  6. Step 6: Final answer
    x = 12,468.73

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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.