Home / 14,768.78-20,384.08-8,484.62

Finding the Fourth Proportional to 14,768.78, 20,384.08 and 8,484.62

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Solution

The fourth proportional to 14,768.78, 20,384.08 and 8,484.62 is: 11,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.78 : 20,384.08 = 8,484.62 : x
  2. Step 2: Convert to fraction form
    14,768.78/20,384.08 = 8,484.62/x
  3. Step 3: Cross multiply
    14,768.78x = 20,384.08 × 8,484.62
  4. Step 4: Simplify right side
    14,768.78x = 172,951,172.85
  5. Step 5: Solve for x
    x = 172,951,172.85/14,768.78
  6. Step 6: Final answer
    x = 11,710.59

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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.