Home / 13,886.78-20,825.84-4,026.74

Finding the Fourth Proportional to 13,886.78, 20,825.84 and 4,026.74

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Solution

The fourth proportional to 13,886.78, 20,825.84 and 4,026.74 is: 6,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.78 : 20,825.84 = 4,026.74 : x
  2. Step 2: Convert to fraction form
    13,886.78/20,825.84 = 4,026.74/x
  3. Step 3: Cross multiply
    13,886.78x = 20,825.84 × 4,026.74
  4. Step 4: Simplify right side
    13,886.78x = 83,860,242.96
  5. Step 5: Solve for x
    x = 83,860,242.96/13,886.78
  6. Step 6: Final answer
    x = 6,038.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.