Home / 14,253.89-21,381.33-4,893.85

Finding the Fourth Proportional to 14,253.89, 21,381.33 and 4,893.85

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Solution

The fourth proportional to 14,253.89, 21,381.33 and 4,893.85 is: 7,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.89 : 21,381.33 = 4,893.85 : x
  2. Step 2: Convert to fraction form
    14,253.89/21,381.33 = 4,893.85/x
  3. Step 3: Cross multiply
    14,253.89x = 21,381.33 × 4,893.85
  4. Step 4: Simplify right side
    14,253.89x = 104,637,066.90
  5. Step 5: Solve for x
    x = 104,637,066.90/14,253.89
  6. Step 6: Final answer
    x = 7,340.95

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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.