Home / 21,140.09-31,716.06-10,597.33

Finding the Fourth Proportional to 21,140.09, 31,716.06 and 10,597.33

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Solution

The fourth proportional to 21,140.09, 31,716.06 and 10,597.33 is: 15,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,140.09 : 31,716.06 = 10,597.33 : x
  2. Step 2: Convert to fraction form
    21,140.09/31,716.06 = 10,597.33/x
  3. Step 3: Cross multiply
    21,140.09x = 31,716.06 × 10,597.33
  4. Step 4: Simplify right side
    21,140.09x = 336,105,554.02
  5. Step 5: Solve for x
    x = 336,105,554.02/21,140.09
  6. Step 6: Final answer
    x = 15,898.97

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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.