Home / 14,290.74-19,739.97-10,521.54

Finding the Fourth Proportional to 14,290.74, 19,739.97 and 10,521.54

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Solution

The fourth proportional to 14,290.74, 19,739.97 and 10,521.54 is: 14,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.74 : 19,739.97 = 10,521.54 : x
  2. Step 2: Convert to fraction form
    14,290.74/19,739.97 = 10,521.54/x
  3. Step 3: Cross multiply
    14,290.74x = 19,739.97 × 10,521.54
  4. Step 4: Simplify right side
    14,290.74x = 207,694,883.95
  5. Step 5: Solve for x
    x = 207,694,883.95/14,290.74
  6. Step 6: Final answer
    x = 14,533.53

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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.