Home / 18,281.50-27,397.64-13,327.94

Finding the Fourth Proportional to 18,281.50, 27,397.64 and 13,327.94

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Solution

The fourth proportional to 18,281.50, 27,397.64 and 13,327.94 is: 19,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.50 : 27,397.64 = 13,327.94 : x
  2. Step 2: Convert to fraction form
    18,281.50/27,397.64 = 13,327.94/x
  3. Step 3: Cross multiply
    18,281.50x = 27,397.64 × 13,327.94
  4. Step 4: Simplify right side
    18,281.50x = 365,154,203.88
  5. Step 5: Solve for x
    x = 365,154,203.88/18,281.50
  6. Step 6: Final answer
    x = 19,973.98

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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.