Home / 15,257.75-21,082.02-12,600.59

Finding the Fourth Proportional to 15,257.75, 21,082.02 and 12,600.59

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Solution

The fourth proportional to 15,257.75, 21,082.02 and 12,600.59 is: 17,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.75 : 21,082.02 = 12,600.59 : x
  2. Step 2: Convert to fraction form
    15,257.75/21,082.02 = 12,600.59/x
  3. Step 3: Cross multiply
    15,257.75x = 21,082.02 × 12,600.59
  4. Step 4: Simplify right side
    15,257.75x = 265,645,890.39
  5. Step 5: Solve for x
    x = 265,645,890.39/15,257.75
  6. Step 6: Final answer
    x = 17,410.55

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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.