Home / 13,018.88-19,527.72-4,252.68

Finding the Fourth Proportional to 13,018.88, 19,527.72 and 4,252.68

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Solution

The fourth proportional to 13,018.88, 19,527.72 and 4,252.68 is: 6,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.88 : 19,527.72 = 4,252.68 : x
  2. Step 2: Convert to fraction form
    13,018.88/19,527.72 = 4,252.68/x
  3. Step 3: Cross multiply
    13,018.88x = 19,527.72 × 4,252.68
  4. Step 4: Simplify right side
    13,018.88x = 83,045,144.29
  5. Step 5: Solve for x
    x = 83,045,144.29/13,018.88
  6. Step 6: Final answer
    x = 6,378.82

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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.