Home / 14,027.92-19,358.40-7,740.34

Finding the Fourth Proportional to 14,027.92, 19,358.40 and 7,740.34

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Solution

The fourth proportional to 14,027.92, 19,358.40 and 7,740.34 is: 10,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.92 : 19,358.40 = 7,740.34 : x
  2. Step 2: Convert to fraction form
    14,027.92/19,358.40 = 7,740.34/x
  3. Step 3: Cross multiply
    14,027.92x = 19,358.40 × 7,740.34
  4. Step 4: Simplify right side
    14,027.92x = 149,840,597.86
  5. Step 5: Solve for x
    x = 149,840,597.86/14,027.92
  6. Step 6: Final answer
    x = 10,681.60

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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.