Home / 14,017.96-21,012.75-9,090.73

Finding the Fourth Proportional to 14,017.96, 21,012.75 and 9,090.73

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Solution

The fourth proportional to 14,017.96, 21,012.75 and 9,090.73 is: 13,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.96 : 21,012.75 = 9,090.73 : x
  2. Step 2: Convert to fraction form
    14,017.96/21,012.75 = 9,090.73/x
  3. Step 3: Cross multiply
    14,017.96x = 21,012.75 × 9,090.73
  4. Step 4: Simplify right side
    14,017.96x = 191,021,131.74
  5. Step 5: Solve for x
    x = 191,021,131.74/14,017.96
  6. Step 6: Final answer
    x = 13,626.89

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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.