Home / 16,514.64-24,780.78-7,749.63

Finding the Fourth Proportional to 16,514.64, 24,780.78 and 7,749.63

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Solution

The fourth proportional to 16,514.64, 24,780.78 and 7,749.63 is: 11,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,514.64 : 24,780.78 = 7,749.63 : x
  2. Step 2: Convert to fraction form
    16,514.64/24,780.78 = 7,749.63/x
  3. Step 3: Cross multiply
    16,514.64x = 24,780.78 × 7,749.63
  4. Step 4: Simplify right side
    16,514.64x = 192,041,876.11
  5. Step 5: Solve for x
    x = 192,041,876.11/16,514.64
  6. Step 6: Final answer
    x = 11,628.58

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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.