Home / 13,376.34-20,054.18-5,370.30

Finding the Fourth Proportional to 13,376.34, 20,054.18 and 5,370.30

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Solution

The fourth proportional to 13,376.34, 20,054.18 and 5,370.30 is: 8,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.34 : 20,054.18 = 5,370.30 : x
  2. Step 2: Convert to fraction form
    13,376.34/20,054.18 = 5,370.30/x
  3. Step 3: Cross multiply
    13,376.34x = 20,054.18 × 5,370.30
  4. Step 4: Simplify right side
    13,376.34x = 107,696,976.28
  5. Step 5: Solve for x
    x = 107,696,976.28/13,376.34
  6. Step 6: Final answer
    x = 8,051.30

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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.