Home / 20,061.36-30,090.84-6,913.44

Finding the Fourth Proportional to 20,061.36, 30,090.84 and 6,913.44

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Solution

The fourth proportional to 20,061.36, 30,090.84 and 6,913.44 is: 10,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.36 : 30,090.84 = 6,913.44 : x
  2. Step 2: Convert to fraction form
    20,061.36/30,090.84 = 6,913.44/x
  3. Step 3: Cross multiply
    20,061.36x = 30,090.84 × 6,913.44
  4. Step 4: Simplify right side
    20,061.36x = 208,031,216.89
  5. Step 5: Solve for x
    x = 208,031,216.89/20,061.36
  6. Step 6: Final answer
    x = 10,369.75

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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.