Home / 20,623.48-30,920.10-6,575.42

Finding the Fourth Proportional to 20,623.48, 30,920.10 and 6,575.42

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Solution

The fourth proportional to 20,623.48, 30,920.10 and 6,575.42 is: 9,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.48 : 30,920.10 = 6,575.42 : x
  2. Step 2: Convert to fraction form
    20,623.48/30,920.10 = 6,575.42/x
  3. Step 3: Cross multiply
    20,623.48x = 30,920.10 × 6,575.42
  4. Step 4: Simplify right side
    20,623.48x = 203,312,643.94
  5. Step 5: Solve for x
    x = 203,312,643.94/20,623.48
  6. Step 6: Final answer
    x = 9,858.31

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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.