Home / 13,970.55-20,956.20-4,110.15

Finding the Fourth Proportional to 13,970.55, 20,956.20 and 4,110.15

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Solution

The fourth proportional to 13,970.55, 20,956.20 and 4,110.15 is: 6,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.55 : 20,956.20 = 4,110.15 : x
  2. Step 2: Convert to fraction form
    13,970.55/20,956.20 = 4,110.15/x
  3. Step 3: Cross multiply
    13,970.55x = 20,956.20 × 4,110.15
  4. Step 4: Simplify right side
    13,970.55x = 86,133,125.43
  5. Step 5: Solve for x
    x = 86,133,125.43/13,970.55
  6. Step 6: Final answer
    x = 6,165.34

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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.