Home / 13,053.90-19,580.17-4,619.82

Finding the Fourth Proportional to 13,053.90, 19,580.17 and 4,619.82

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Solution

The fourth proportional to 13,053.90, 19,580.17 and 4,619.82 is: 6,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.90 : 19,580.17 = 4,619.82 : x
  2. Step 2: Convert to fraction form
    13,053.90/19,580.17 = 4,619.82/x
  3. Step 3: Cross multiply
    13,053.90x = 19,580.17 × 4,619.82
  4. Step 4: Simplify right side
    13,053.90x = 90,456,860.97
  5. Step 5: Solve for x
    x = 90,456,860.97/13,053.90
  6. Step 6: Final answer
    x = 6,929.49

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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.