Home / 19,782.02-29,614.82-12,363.94

Finding the Fourth Proportional to 19,782.02, 29,614.82 and 12,363.94

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Solution

The fourth proportional to 19,782.02, 29,614.82 and 12,363.94 is: 18,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.02 : 29,614.82 = 12,363.94 : x
  2. Step 2: Convert to fraction form
    19,782.02/29,614.82 = 12,363.94/x
  3. Step 3: Cross multiply
    19,782.02x = 29,614.82 × 12,363.94
  4. Step 4: Simplify right side
    19,782.02x = 366,155,832.79
  5. Step 5: Solve for x
    x = 366,155,832.79/19,782.02
  6. Step 6: Final answer
    x = 18,509.52

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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.