Home / 13,918.48-19,210.38-12,797.62

Finding the Fourth Proportional to 13,918.48, 19,210.38 and 12,797.62

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Solution

The fourth proportional to 13,918.48, 19,210.38 and 12,797.62 is: 17,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.48 : 19,210.38 = 12,797.62 : x
  2. Step 2: Convert to fraction form
    13,918.48/19,210.38 = 12,797.62/x
  3. Step 3: Cross multiply
    13,918.48x = 19,210.38 × 12,797.62
  4. Step 4: Simplify right side
    13,918.48x = 245,847,143.30
  5. Step 5: Solve for x
    x = 245,847,143.30/13,918.48
  6. Step 6: Final answer
    x = 17,663.36

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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.