Home / 21,236.74-29,304.16-11,675.05

Finding the Fourth Proportional to 21,236.74, 29,304.16 and 11,675.05

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Solution

The fourth proportional to 21,236.74, 29,304.16 and 11,675.05 is: 16,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,236.74 : 29,304.16 = 11,675.05 : x
  2. Step 2: Convert to fraction form
    21,236.74/29,304.16 = 11,675.05/x
  3. Step 3: Cross multiply
    21,236.74x = 29,304.16 × 11,675.05
  4. Step 4: Simplify right side
    21,236.74x = 342,127,430.76
  5. Step 5: Solve for x
    x = 342,127,430.76/21,236.74
  6. Step 6: Final answer
    x = 16,110.17

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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.