Home / 15,260.93-21,054.66-12,074.75

Finding the Fourth Proportional to 15,260.93, 21,054.66 and 12,074.75

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Solution

The fourth proportional to 15,260.93, 21,054.66 and 12,074.75 is: 16,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.93 : 21,054.66 = 12,074.75 : x
  2. Step 2: Convert to fraction form
    15,260.93/21,054.66 = 12,074.75/x
  3. Step 3: Cross multiply
    15,260.93x = 21,054.66 × 12,074.75
  4. Step 4: Simplify right side
    15,260.93x = 254,229,658.98
  5. Step 5: Solve for x
    x = 254,229,658.98/15,260.93
  6. Step 6: Final answer
    x = 16,658.86

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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.