Home / 13,018.34-19,527.32-3,157.70

Finding the Fourth Proportional to 13,018.34, 19,527.32 and 3,157.70

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Solution

The fourth proportional to 13,018.34, 19,527.32 and 3,157.70 is: 4,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.34 : 19,527.32 = 3,157.70 : x
  2. Step 2: Convert to fraction form
    13,018.34/19,527.32 = 3,157.70/x
  3. Step 3: Cross multiply
    13,018.34x = 19,527.32 × 3,157.70
  4. Step 4: Simplify right side
    13,018.34x = 61,661,418.36
  5. Step 5: Solve for x
    x = 61,661,418.36/13,018.34
  6. Step 6: Final answer
    x = 4,736.50

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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.