Home / 13,998.60-19,317.84-7,710.84

Finding the Fourth Proportional to 13,998.60, 19,317.84 and 7,710.84

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Solution

The fourth proportional to 13,998.60, 19,317.84 and 7,710.84 is: 10,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.60 : 19,317.84 = 7,710.84 : x
  2. Step 2: Convert to fraction form
    13,998.60/19,317.84 = 7,710.84/x
  3. Step 3: Cross multiply
    13,998.60x = 19,317.84 × 7,710.84
  4. Step 4: Simplify right side
    13,998.60x = 148,956,773.39
  5. Step 5: Solve for x
    x = 148,956,773.39/13,998.60
  6. Step 6: Final answer
    x = 10,640.83

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1.5x scale

Why These Related Problems?

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