Home / 14,809.10-20,423.33-12,287.22

Finding the Fourth Proportional to 14,809.10, 20,423.33 and 12,287.22

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Solution

The fourth proportional to 14,809.10, 20,423.33 and 12,287.22 is: 16,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.10 : 20,423.33 = 12,287.22 : x
  2. Step 2: Convert to fraction form
    14,809.10/20,423.33 = 12,287.22/x
  3. Step 3: Cross multiply
    14,809.10x = 20,423.33 × 12,287.22
  4. Step 4: Simplify right side
    14,809.10x = 250,945,887.41
  5. Step 5: Solve for x
    x = 250,945,887.41/14,809.10
  6. Step 6: Final answer
    x = 16,945.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.