Home / 15,820.94-21,835.71-12,038.33

Finding the Fourth Proportional to 15,820.94, 21,835.71 and 12,038.33

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Solution

The fourth proportional to 15,820.94, 21,835.71 and 12,038.33 is: 16,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.94 : 21,835.71 = 12,038.33 : x
  2. Step 2: Convert to fraction form
    15,820.94/21,835.71 = 12,038.33/x
  3. Step 3: Cross multiply
    15,820.94x = 21,835.71 × 12,038.33
  4. Step 4: Simplify right side
    15,820.94x = 262,865,537.35
  5. Step 5: Solve for x
    x = 262,865,537.35/15,820.94
  6. Step 6: Final answer
    x = 16,615.04

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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.