Home / 20,254.66-30,307.97-12,328.27

Finding the Fourth Proportional to 20,254.66, 30,307.97 and 12,328.27

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Solution

The fourth proportional to 20,254.66, 30,307.97 and 12,328.27 is: 18,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.66 : 30,307.97 = 12,328.27 : x
  2. Step 2: Convert to fraction form
    20,254.66/30,307.97 = 12,328.27/x
  3. Step 3: Cross multiply
    20,254.66x = 30,307.97 × 12,328.27
  4. Step 4: Simplify right side
    20,254.66x = 373,644,792.36
  5. Step 5: Solve for x
    x = 373,644,792.36/20,254.66
  6. Step 6: Final answer
    x = 18,447.35

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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.