Home / 14,290.37-19,721.74-8,626.49

Finding the Fourth Proportional to 14,290.37, 19,721.74 and 8,626.49

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Solution

The fourth proportional to 14,290.37, 19,721.74 and 8,626.49 is: 11,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.37 : 19,721.74 = 8,626.49 : x
  2. Step 2: Convert to fraction form
    14,290.37/19,721.74 = 8,626.49/x
  3. Step 3: Cross multiply
    14,290.37x = 19,721.74 × 8,626.49
  4. Step 4: Simplify right side
    14,290.37x = 170,129,392.89
  5. Step 5: Solve for x
    x = 170,129,392.89/14,290.37
  6. Step 6: Final answer
    x = 11,905.18

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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.