Home / 20,566.17-30,845.70-7,416.63

Finding the Fourth Proportional to 20,566.17, 30,845.70 and 7,416.63

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Solution

The fourth proportional to 20,566.17, 30,845.70 and 7,416.63 is: 11,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.17 : 30,845.70 = 7,416.63 : x
  2. Step 2: Convert to fraction form
    20,566.17/30,845.70 = 7,416.63/x
  3. Step 3: Cross multiply
    20,566.17x = 30,845.70 × 7,416.63
  4. Step 4: Simplify right side
    20,566.17x = 228,771,143.99
  5. Step 5: Solve for x
    x = 228,771,143.99/20,566.17
  6. Step 6: Final answer
    x = 11,123.66

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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.