Home / 14,814.78-20,444.45-8,100.52

Finding the Fourth Proportional to 14,814.78, 20,444.45 and 8,100.52

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Solution

The fourth proportional to 14,814.78, 20,444.45 and 8,100.52 is: 11,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.78 : 20,444.45 = 8,100.52 : x
  2. Step 2: Convert to fraction form
    14,814.78/20,444.45 = 8,100.52/x
  3. Step 3: Cross multiply
    14,814.78x = 20,444.45 × 8,100.52
  4. Step 4: Simplify right side
    14,814.78x = 165,610,676.11
  5. Step 5: Solve for x
    x = 165,610,676.11/14,814.78
  6. Step 6: Final answer
    x = 11,178.75

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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.