Home / 14,712.60-22,112.10-12,811.80

Finding the Fourth Proportional to 14,712.60, 22,112.10 and 12,811.80

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Solution

The fourth proportional to 14,712.60, 22,112.10 and 12,811.80 is: 19,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.60 : 22,112.10 = 12,811.80 : x
  2. Step 2: Convert to fraction form
    14,712.60/22,112.10 = 12,811.80/x
  3. Step 3: Cross multiply
    14,712.60x = 22,112.10 × 12,811.80
  4. Step 4: Simplify right side
    14,712.60x = 283,295,802.78
  5. Step 5: Solve for x
    x = 283,295,802.78/14,712.60
  6. Step 6: Final answer
    x = 19,255.32

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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.