Home / 14,290.70-19,722.21-8,626.84

Finding the Fourth Proportional to 14,290.70, 19,722.21 and 8,626.84

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Solution

The fourth proportional to 14,290.70, 19,722.21 and 8,626.84 is: 11,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.70 : 19,722.21 = 8,626.84 : x
  2. Step 2: Convert to fraction form
    14,290.70/19,722.21 = 8,626.84/x
  3. Step 3: Cross multiply
    14,290.70x = 19,722.21 × 8,626.84
  4. Step 4: Simplify right side
    14,290.70x = 170,140,251.51
  5. Step 5: Solve for x
    x = 170,140,251.51/14,290.70
  6. Step 6: Final answer
    x = 11,905.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.