Home / 13,475.56-20,214.96-6,899.98

Finding the Fourth Proportional to 13,475.56, 20,214.96 and 6,899.98

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Solution

The fourth proportional to 13,475.56, 20,214.96 and 6,899.98 is: 10,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.56 : 20,214.96 = 6,899.98 : x
  2. Step 2: Convert to fraction form
    13,475.56/20,214.96 = 6,899.98/x
  3. Step 3: Cross multiply
    13,475.56x = 20,214.96 × 6,899.98
  4. Step 4: Simplify right side
    13,475.56x = 139,482,819.70
  5. Step 5: Solve for x
    x = 139,482,819.70/13,475.56
  6. Step 6: Final answer
    x = 10,350.80

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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.