Home / 13,929.57-20,894.49-3,541.32

Finding the Fourth Proportional to 13,929.57, 20,894.49 and 3,541.32

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Solution

The fourth proportional to 13,929.57, 20,894.49 and 3,541.32 is: 5,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.57 : 20,894.49 = 3,541.32 : x
  2. Step 2: Convert to fraction form
    13,929.57/20,894.49 = 3,541.32/x
  3. Step 3: Cross multiply
    13,929.57x = 20,894.49 × 3,541.32
  4. Step 4: Simplify right side
    13,929.57x = 73,994,075.33
  5. Step 5: Solve for x
    x = 73,994,075.33/13,929.57
  6. Step 6: Final answer
    x = 5,312.01

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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.