Home / 18,447.54-27,690.15-13,502.49

Finding the Fourth Proportional to 18,447.54, 27,690.15 and 13,502.49

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Solution

The fourth proportional to 18,447.54, 27,690.15 and 13,502.49 is: 20,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.54 : 27,690.15 = 13,502.49 : x
  2. Step 2: Convert to fraction form
    18,447.54/27,690.15 = 13,502.49/x
  3. Step 3: Cross multiply
    18,447.54x = 27,690.15 × 13,502.49
  4. Step 4: Simplify right side
    18,447.54x = 373,885,973.47
  5. Step 5: Solve for x
    x = 373,885,973.47/18,447.54
  6. Step 6: Final answer
    x = 20,267.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.