Home / 13,144.24-19,705.70-8,973.74

Finding the Fourth Proportional to 13,144.24, 19,705.70 and 8,973.74

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Solution

The fourth proportional to 13,144.24, 19,705.70 and 8,973.74 is: 13,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.24 : 19,705.70 = 8,973.74 : x
  2. Step 2: Convert to fraction form
    13,144.24/19,705.70 = 8,973.74/x
  3. Step 3: Cross multiply
    13,144.24x = 19,705.70 × 8,973.74
  4. Step 4: Simplify right side
    13,144.24x = 176,833,828.32
  5. Step 5: Solve for x
    x = 176,833,828.32/13,144.24
  6. Step 6: Final answer
    x = 13,453.33

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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.