Home / 21,088.06-29,100.62-11,527.77

Finding the Fourth Proportional to 21,088.06, 29,100.62 and 11,527.77

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Solution

The fourth proportional to 21,088.06, 29,100.62 and 11,527.77 is: 15,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088.06 : 29,100.62 = 11,527.77 : x
  2. Step 2: Convert to fraction form
    21,088.06/29,100.62 = 11,527.77/x
  3. Step 3: Cross multiply
    21,088.06x = 29,100.62 × 11,527.77
  4. Step 4: Simplify right side
    21,088.06x = 335,465,283.04
  5. Step 5: Solve for x
    x = 335,465,283.04/21,088.06
  6. Step 6: Final answer
    x = 15,907.83

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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.