Home / 13,859.02-20,787.99-4,625.02

Finding the Fourth Proportional to 13,859.02, 20,787.99 and 4,625.02

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Solution

The fourth proportional to 13,859.02, 20,787.99 and 4,625.02 is: 6,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.02 : 20,787.99 = 4,625.02 : x
  2. Step 2: Convert to fraction form
    13,859.02/20,787.99 = 4,625.02/x
  3. Step 3: Cross multiply
    13,859.02x = 20,787.99 × 4,625.02
  4. Step 4: Simplify right side
    13,859.02x = 96,144,869.51
  5. Step 5: Solve for x
    x = 96,144,869.51/13,859.02
  6. Step 6: Final answer
    x = 6,937.35

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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.