Home / 14,855.02-20,499.20-8,889.96

Finding the Fourth Proportional to 14,855.02, 20,499.20 and 8,889.96

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Solution

The fourth proportional to 14,855.02, 20,499.20 and 8,889.96 is: 12,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.02 : 20,499.20 = 8,889.96 : x
  2. Step 2: Convert to fraction form
    14,855.02/20,499.20 = 8,889.96/x
  3. Step 3: Cross multiply
    14,855.02x = 20,499.20 × 8,889.96
  4. Step 4: Simplify right side
    14,855.02x = 182,237,068.03
  5. Step 5: Solve for x
    x = 182,237,068.03/14,855.02
  6. Step 6: Final answer
    x = 12,267.71

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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.