Home / 19,783.02-29,616.31-12,364.94

Finding the Fourth Proportional to 19,783.02, 29,616.31 and 12,364.94

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Solution

The fourth proportional to 19,783.02, 29,616.31 and 12,364.94 is: 18,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.02 : 29,616.31 = 12,364.94 : x
  2. Step 2: Convert to fraction form
    19,783.02/29,616.31 = 12,364.94/x
  3. Step 3: Cross multiply
    19,783.02x = 29,616.31 × 12,364.94
  4. Step 4: Simplify right side
    19,783.02x = 366,203,896.17
  5. Step 5: Solve for x
    x = 366,203,896.17/19,783.02
  6. Step 6: Final answer
    x = 18,511.02

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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.