Home / 20,900.23-31,353.28-6,110.24

Finding the Fourth Proportional to 20,900.23, 31,353.28 and 6,110.24

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Solution

The fourth proportional to 20,900.23, 31,353.28 and 6,110.24 is: 9,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900.23 : 31,353.28 = 6,110.24 : x
  2. Step 2: Convert to fraction form
    20,900.23/31,353.28 = 6,110.24/x
  3. Step 3: Cross multiply
    20,900.23x = 31,353.28 × 6,110.24
  4. Step 4: Simplify right side
    20,900.23x = 191,575,893.55
  5. Step 5: Solve for x
    x = 191,575,893.55/20,900.23
  6. Step 6: Final answer
    x = 9,166.21

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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.