Home / 14,218.55-21,327.82-7,635.68

Finding the Fourth Proportional to 14,218.55, 21,327.82 and 7,635.68

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Solution

The fourth proportional to 14,218.55, 21,327.82 and 7,635.68 is: 11,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.55 : 21,327.82 = 7,635.68 : x
  2. Step 2: Convert to fraction form
    14,218.55/21,327.82 = 7,635.68/x
  3. Step 3: Cross multiply
    14,218.55x = 21,327.82 × 7,635.68
  4. Step 4: Simplify right side
    14,218.55x = 162,852,427.71
  5. Step 5: Solve for x
    x = 162,852,427.71/14,218.55
  6. Step 6: Final answer
    x = 11,453.52

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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.