Home / 21,060.38-29,063.12-11,628.34

Finding the Fourth Proportional to 21,060.38, 29,063.12 and 11,628.34

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Solution

The fourth proportional to 21,060.38, 29,063.12 and 11,628.34 is: 16,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.38 : 29,063.12 = 11,628.34 : x
  2. Step 2: Convert to fraction form
    21,060.38/29,063.12 = 11,628.34/x
  3. Step 3: Cross multiply
    21,060.38x = 29,063.12 × 11,628.34
  4. Step 4: Simplify right side
    21,060.38x = 337,955,840.82
  5. Step 5: Solve for x
    x = 337,955,840.82/21,060.38
  6. Step 6: Final answer
    x = 16,047.00

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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.