Home / 13,925.70-20,889.90-4,065.03

Finding the Fourth Proportional to 13,925.70, 20,889.90 and 4,065.03

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Solution

The fourth proportional to 13,925.70, 20,889.90 and 4,065.03 is: 6,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.70 : 20,889.90 = 4,065.03 : x
  2. Step 2: Convert to fraction form
    13,925.70/20,889.90 = 4,065.03/x
  3. Step 3: Cross multiply
    13,925.70x = 20,889.90 × 4,065.03
  4. Step 4: Simplify right side
    13,925.70x = 84,918,070.20
  5. Step 5: Solve for x
    x = 84,918,070.20/13,925.70
  6. Step 6: Final answer
    x = 6,097.94

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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.