Home / 13,922.94-20,888.74-4,563.04

Finding the Fourth Proportional to 13,922.94, 20,888.74 and 4,563.04

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Solution

The fourth proportional to 13,922.94, 20,888.74 and 4,563.04 is: 6,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.94 : 20,888.74 = 4,563.04 : x
  2. Step 2: Convert to fraction form
    13,922.94/20,888.74 = 4,563.04/x
  3. Step 3: Cross multiply
    13,922.94x = 20,888.74 × 4,563.04
  4. Step 4: Simplify right side
    13,922.94x = 95,316,156.17
  5. Step 5: Solve for x
    x = 95,316,156.17/13,922.94
  6. Step 6: Final answer
    x = 6,845.98

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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.