Home / 19,595.12-27,049.02-13,630.25

Finding the Fourth Proportional to 19,595.12, 27,049.02 and 13,630.25

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Solution

The fourth proportional to 19,595.12, 27,049.02 and 13,630.25 is: 18,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.12 : 27,049.02 = 13,630.25 : x
  2. Step 2: Convert to fraction form
    19,595.12/27,049.02 = 13,630.25/x
  3. Step 3: Cross multiply
    19,595.12x = 27,049.02 × 13,630.25
  4. Step 4: Simplify right side
    19,595.12x = 368,685,023.59
  5. Step 5: Solve for x
    x = 368,685,023.59/19,595.12
  6. Step 6: Final answer
    x = 18,815.14

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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.