Home / 14,349.20-21,523.80-12,818.30

Finding the Fourth Proportional to 14,349.20, 21,523.80 and 12,818.30

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Solution

The fourth proportional to 14,349.20, 21,523.80 and 12,818.30 is: 19,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.20 : 21,523.80 = 12,818.30 : x
  2. Step 2: Convert to fraction form
    14,349.20/21,523.80 = 12,818.30/x
  3. Step 3: Cross multiply
    14,349.20x = 21,523.80 × 12,818.30
  4. Step 4: Simplify right side
    14,349.20x = 275,898,525.54
  5. Step 5: Solve for x
    x = 275,898,525.54/14,349.20
  6. Step 6: Final answer
    x = 19,227.45

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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.