Home / 13,635.34-20,428.29-6,245.98

Finding the Fourth Proportional to 13,635.34, 20,428.29 and 6,245.98

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Solution

The fourth proportional to 13,635.34, 20,428.29 and 6,245.98 is: 9,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.34 : 20,428.29 = 6,245.98 : x
  2. Step 2: Convert to fraction form
    13,635.34/20,428.29 = 6,245.98/x
  3. Step 3: Cross multiply
    13,635.34x = 20,428.29 × 6,245.98
  4. Step 4: Simplify right side
    13,635.34x = 127,594,690.77
  5. Step 5: Solve for x
    x = 127,594,690.77/13,635.34
  6. Step 6: Final answer
    x = 9,357.65

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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.