Home / 14,284.76-19,714.86-8,622.72

Finding the Fourth Proportional to 14,284.76, 19,714.86 and 8,622.72

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Solution

The fourth proportional to 14,284.76, 19,714.86 and 8,622.72 is: 11,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.76 : 19,714.86 = 8,622.72 : x
  2. Step 2: Convert to fraction form
    14,284.76/19,714.86 = 8,622.72/x
  3. Step 3: Cross multiply
    14,284.76x = 19,714.86 × 8,622.72
  4. Step 4: Simplify right side
    14,284.76x = 169,995,717.62
  5. Step 5: Solve for x
    x = 169,995,717.62/14,284.76
  6. Step 6: Final answer
    x = 11,900.50

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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.