Home / 21,397.19-29,527.57-11,836.83

Finding the Fourth Proportional to 21,397.19, 29,527.57 and 11,836.83

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Solution

The fourth proportional to 21,397.19, 29,527.57 and 11,836.83 is: 16,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.19 : 29,527.57 = 11,836.83 : x
  2. Step 2: Convert to fraction form
    21,397.19/29,527.57 = 11,836.83/x
  3. Step 3: Cross multiply
    21,397.19x = 29,527.57 × 11,836.83
  4. Step 4: Simplify right side
    21,397.19x = 349,512,826.40
  5. Step 5: Solve for x
    x = 349,512,826.40/21,397.19
  6. Step 6: Final answer
    x = 16,334.52

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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.