Home / 13,141.70-19,712.75-4,376.62

Finding the Fourth Proportional to 13,141.70, 19,712.75 and 4,376.62

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Solution

The fourth proportional to 13,141.70, 19,712.75 and 4,376.62 is: 6,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.70 : 19,712.75 = 4,376.62 : x
  2. Step 2: Convert to fraction form
    13,141.70/19,712.75 = 4,376.62/x
  3. Step 3: Cross multiply
    13,141.70x = 19,712.75 × 4,376.62
  4. Step 4: Simplify right side
    13,141.70x = 86,275,144.74
  5. Step 5: Solve for x
    x = 86,275,144.74/13,141.70
  6. Step 6: Final answer
    x = 6,564.99

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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.