Home / 21,548.95-29,741.09-12,594.70

Finding the Fourth Proportional to 21,548.95, 29,741.09 and 12,594.70

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Solution

The fourth proportional to 21,548.95, 29,741.09 and 12,594.70 is: 17,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.95 : 29,741.09 = 12,594.70 : x
  2. Step 2: Convert to fraction form
    21,548.95/29,741.09 = 12,594.70/x
  3. Step 3: Cross multiply
    21,548.95x = 29,741.09 × 12,594.70
  4. Step 4: Simplify right side
    21,548.95x = 374,580,106.22
  5. Step 5: Solve for x
    x = 374,580,106.22/21,548.95
  6. Step 6: Final answer
    x = 17,382.75

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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.