Home / 21,232.54-29,309.07-14,156.38

Finding the Fourth Proportional to 21,232.54, 29,309.07 and 14,156.38

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Solution

The fourth proportional to 21,232.54, 29,309.07 and 14,156.38 is: 19,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.54 : 29,309.07 = 14,156.38 : x
  2. Step 2: Convert to fraction form
    21,232.54/29,309.07 = 14,156.38/x
  3. Step 3: Cross multiply
    21,232.54x = 29,309.07 × 14,156.38
  4. Step 4: Simplify right side
    21,232.54x = 414,910,332.37
  5. Step 5: Solve for x
    x = 414,910,332.37/21,232.54
  6. Step 6: Final answer
    x = 19,541.25

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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.