Home / 21,264.93-29,344.86-11,704.77

Finding the Fourth Proportional to 21,264.93, 29,344.86 and 11,704.77

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Solution

The fourth proportional to 21,264.93, 29,344.86 and 11,704.77 is: 16,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.93 : 29,344.86 = 11,704.77 : x
  2. Step 2: Convert to fraction form
    21,264.93/29,344.86 = 11,704.77/x
  3. Step 3: Cross multiply
    21,264.93x = 29,344.86 × 11,704.77
  4. Step 4: Simplify right side
    21,264.93x = 343,474,836.98
  5. Step 5: Solve for x
    x = 343,474,836.98/21,264.93
  6. Step 6: Final answer
    x = 16,152.17

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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.