Home / 20,564.30-30,846.45-10,196.30

Finding the Fourth Proportional to 20,564.30, 30,846.45 and 10,196.30

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Solution

The fourth proportional to 20,564.30, 30,846.45 and 10,196.30 is: 15,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.30 : 30,846.45 = 10,196.30 : x
  2. Step 2: Convert to fraction form
    20,564.30/30,846.45 = 10,196.30/x
  3. Step 3: Cross multiply
    20,564.30x = 30,846.45 × 10,196.30
  4. Step 4: Simplify right side
    20,564.30x = 314,519,658.14
  5. Step 5: Solve for x
    x = 314,519,658.14/20,564.30
  6. Step 6: Final answer
    x = 15,294.45

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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.