Home / 12,553.70-18,818.53-4,654.08

Finding the Fourth Proportional to 12,553.70, 18,818.53 and 4,654.08

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Solution

The fourth proportional to 12,553.70, 18,818.53 and 4,654.08 is: 6,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.70 : 18,818.53 = 4,654.08 : x
  2. Step 2: Convert to fraction form
    12,553.70/18,818.53 = 4,654.08/x
  3. Step 3: Cross multiply
    12,553.70x = 18,818.53 × 4,654.08
  4. Step 4: Simplify right side
    12,553.70x = 87,582,932.47
  5. Step 5: Solve for x
    x = 87,582,932.47/12,553.70
  6. Step 6: Final answer
    x = 6,976.67

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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.