Home / 10,020.60-13,814.82-8,445.96

Finding the Fourth Proportional to 10,020.60, 13,814.82 and 8,445.96

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Solution

The fourth proportional to 10,020.60, 13,814.82 and 8,445.96 is: 11,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.60 : 13,814.82 = 8,445.96 : x
  2. Step 2: Convert to fraction form
    10,020.60/13,814.82 = 8,445.96/x
  3. Step 3: Cross multiply
    10,020.60x = 13,814.82 × 8,445.96
  4. Step 4: Simplify right side
    10,020.60x = 116,679,417.13
  5. Step 5: Solve for x
    x = 116,679,417.13/10,020.60
  6. Step 6: Final answer
    x = 11,643.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.