Home / 14,589.12-21,888.36-5,222.78

Finding the Fourth Proportional to 14,589.12, 21,888.36 and 5,222.78

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Solution

The fourth proportional to 14,589.12, 21,888.36 and 5,222.78 is: 7,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.12 : 21,888.36 = 5,222.78 : x
  2. Step 2: Convert to fraction form
    14,589.12/21,888.36 = 5,222.78/x
  3. Step 3: Cross multiply
    14,589.12x = 21,888.36 × 5,222.78
  4. Step 4: Simplify right side
    14,589.12x = 114,318,088.84
  5. Step 5: Solve for x
    x = 114,318,088.84/14,589.12
  6. Step 6: Final answer
    x = 7,835.85

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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.