Home / 13,408.83-20,106.77-4,047.12

Finding the Fourth Proportional to 13,408.83, 20,106.77 and 4,047.12

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Solution

The fourth proportional to 13,408.83, 20,106.77 and 4,047.12 is: 6,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.83 : 20,106.77 = 4,047.12 : x
  2. Step 2: Convert to fraction form
    13,408.83/20,106.77 = 4,047.12/x
  3. Step 3: Cross multiply
    13,408.83x = 20,106.77 × 4,047.12
  4. Step 4: Simplify right side
    13,408.83x = 81,374,490.77
  5. Step 5: Solve for x
    x = 81,374,490.77/13,408.83
  6. Step 6: Final answer
    x = 6,068.72

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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.