Home / 14,002.48-20,999.64-11,531.20

Finding the Fourth Proportional to 14,002.48, 20,999.64 and 11,531.20

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Solution

The fourth proportional to 14,002.48, 20,999.64 and 11,531.20 is: 17,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.48 : 20,999.64 = 11,531.20 : x
  2. Step 2: Convert to fraction form
    14,002.48/20,999.64 = 11,531.20/x
  3. Step 3: Cross multiply
    14,002.48x = 20,999.64 × 11,531.20
  4. Step 4: Simplify right side
    14,002.48x = 242,151,048.77
  5. Step 5: Solve for x
    x = 242,151,048.77/14,002.48
  6. Step 6: Final answer
    x = 17,293.44

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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.