Home / 12,821.25-19,240.48-4,501.29

Finding the Fourth Proportional to 12,821.25, 19,240.48 and 4,501.29

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Solution

The fourth proportional to 12,821.25, 19,240.48 and 4,501.29 is: 6,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821.25 : 19,240.48 = 4,501.29 : x
  2. Step 2: Convert to fraction form
    12,821.25/19,240.48 = 4,501.29/x
  3. Step 3: Cross multiply
    12,821.25x = 19,240.48 × 4,501.29
  4. Step 4: Simplify right side
    12,821.25x = 86,606,980.22
  5. Step 5: Solve for x
    x = 86,606,980.22/12,821.25
  6. Step 6: Final answer
    x = 6,754.96

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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.