Home / 14,001.75-21,002.61-9,605.88

Finding the Fourth Proportional to 14,001.75, 21,002.61 and 9,605.88

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Solution

The fourth proportional to 14,001.75, 21,002.61 and 9,605.88 is: 14,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.75 : 21,002.61 = 9,605.88 : x
  2. Step 2: Convert to fraction form
    14,001.75/21,002.61 = 9,605.88/x
  3. Step 3: Cross multiply
    14,001.75x = 21,002.61 × 9,605.88
  4. Step 4: Simplify right side
    14,001.75x = 201,748,551.35
  5. Step 5: Solve for x
    x = 201,748,551.35/14,001.75
  6. Step 6: Final answer
    x = 14,408.81

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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.