Home / 21,141.63-31,673.30-10,599.35

Finding the Fourth Proportional to 21,141.63, 31,673.30 and 10,599.35

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Solution

The fourth proportional to 21,141.63, 31,673.30 and 10,599.35 is: 15,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141.63 : 31,673.30 = 10,599.35 : x
  2. Step 2: Convert to fraction form
    21,141.63/31,673.30 = 10,599.35/x
  3. Step 3: Cross multiply
    21,141.63x = 31,673.30 × 10,599.35
  4. Step 4: Simplify right side
    21,141.63x = 335,716,180.99
  5. Step 5: Solve for x
    x = 335,716,180.99/21,141.63
  6. Step 6: Final answer
    x = 15,879.39

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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.