Home / 15,544.51-21,444.55-12,173.79

Finding the Fourth Proportional to 15,544.51, 21,444.55 and 12,173.79

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Solution

The fourth proportional to 15,544.51, 21,444.55 and 12,173.79 is: 16,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544.51 : 21,444.55 = 12,173.79 : x
  2. Step 2: Convert to fraction form
    15,544.51/21,444.55 = 12,173.79/x
  3. Step 3: Cross multiply
    15,544.51x = 21,444.55 × 12,173.79
  4. Step 4: Simplify right side
    15,544.51x = 261,061,498.33
  5. Step 5: Solve for x
    x = 261,061,498.33/15,544.51
  6. Step 6: Final answer
    x = 16,794.45

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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.