Home / 13,137.60-19,705.56-4,370.16

Finding the Fourth Proportional to 13,137.60, 19,705.56 and 4,370.16

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Solution

The fourth proportional to 13,137.60, 19,705.56 and 4,370.16 is: 6,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.60 : 19,705.56 = 4,370.16 : x
  2. Step 2: Convert to fraction form
    13,137.60/19,705.56 = 4,370.16/x
  3. Step 3: Cross multiply
    13,137.60x = 19,705.56 × 4,370.16
  4. Step 4: Simplify right side
    13,137.60x = 86,116,450.09
  5. Step 5: Solve for x
    x = 86,116,450.09/13,137.60
  6. Step 6: Final answer
    x = 6,554.96

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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.