Home / 13,962.77-20,947.09-4,101.22

Finding the Fourth Proportional to 13,962.77, 20,947.09 and 4,101.22

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Solution

The fourth proportional to 13,962.77, 20,947.09 and 4,101.22 is: 6,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.77 : 20,947.09 = 4,101.22 : x
  2. Step 2: Convert to fraction form
    13,962.77/20,947.09 = 4,101.22/x
  3. Step 3: Cross multiply
    13,962.77x = 20,947.09 × 4,101.22
  4. Step 4: Simplify right side
    13,962.77x = 85,908,624.45
  5. Step 5: Solve for x
    x = 85,908,624.45/13,962.77
  6. Step 6: Final answer
    x = 6,152.69

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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.