Home / 21,263.40-31,895.63-10,171.26

Finding the Fourth Proportional to 21,263.40, 31,895.63 and 10,171.26

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Solution

The fourth proportional to 21,263.40, 31,895.63 and 10,171.26 is: 15,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.40 : 31,895.63 = 10,171.26 : x
  2. Step 2: Convert to fraction form
    21,263.40/31,895.63 = 10,171.26/x
  3. Step 3: Cross multiply
    21,263.40x = 31,895.63 × 10,171.26
  4. Step 4: Simplify right side
    21,263.40x = 324,418,694.74
  5. Step 5: Solve for x
    x = 324,418,694.74/21,263.40
  6. Step 6: Final answer
    x = 15,257.14

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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.