Home / 15,733.32-21,704.40-9,771.93

Finding the Fourth Proportional to 15,733.32, 21,704.40 and 9,771.93

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Solution

The fourth proportional to 15,733.32, 21,704.40 and 9,771.93 is: 13,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.32 : 21,704.40 = 9,771.93 : x
  2. Step 2: Convert to fraction form
    15,733.32/21,704.40 = 9,771.93/x
  3. Step 3: Cross multiply
    15,733.32x = 21,704.40 × 9,771.93
  4. Step 4: Simplify right side
    15,733.32x = 212,093,877.49
  5. Step 5: Solve for x
    x = 212,093,877.49/15,733.32
  6. Step 6: Final answer
    x = 13,480.55

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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.