Home / 14,814.20-22,221.30-12,510.20

Finding the Fourth Proportional to 14,814.20, 22,221.30 and 12,510.20

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Solution

The fourth proportional to 14,814.20, 22,221.30 and 12,510.20 is: 18,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.20 : 22,221.30 = 12,510.20 : x
  2. Step 2: Convert to fraction form
    14,814.20/22,221.30 = 12,510.20/x
  3. Step 3: Cross multiply
    14,814.20x = 22,221.30 × 12,510.20
  4. Step 4: Simplify right side
    14,814.20x = 277,992,907.26
  5. Step 5: Solve for x
    x = 277,992,907.26/14,814.20
  6. Step 6: Final answer
    x = 18,765.30

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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.