Home / 21,504.16-29,685.12-12,548.24

Finding the Fourth Proportional to 21,504.16, 29,685.12 and 12,548.24

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Solution

The fourth proportional to 21,504.16, 29,685.12 and 12,548.24 is: 17,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.16 : 29,685.12 = 12,548.24 : x
  2. Step 2: Convert to fraction form
    21,504.16/29,685.12 = 12,548.24/x
  3. Step 3: Cross multiply
    21,504.16x = 29,685.12 × 12,548.24
  4. Step 4: Simplify right side
    21,504.16x = 372,496,010.19
  5. Step 5: Solve for x
    x = 372,496,010.19/21,504.16
  6. Step 6: Final answer
    x = 17,322.04

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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.