Home / 15,449.25-21,298.13-10,971.37

Finding the Fourth Proportional to 15,449.25, 21,298.13 and 10,971.37

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Solution

The fourth proportional to 15,449.25, 21,298.13 and 10,971.37 is: 15,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.25 : 21,298.13 = 10,971.37 : x
  2. Step 2: Convert to fraction form
    15,449.25/21,298.13 = 10,971.37/x
  3. Step 3: Cross multiply
    15,449.25x = 21,298.13 × 10,971.37
  4. Step 4: Simplify right side
    15,449.25x = 233,669,664.54
  5. Step 5: Solve for x
    x = 233,669,664.54/15,449.25
  6. Step 6: Final answer
    x = 15,124.98

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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.