Home / 14,456.10-21,701.70-9,191.10

Finding the Fourth Proportional to 14,456.10, 21,701.70 and 9,191.10

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Solution

The fourth proportional to 14,456.10, 21,701.70 and 9,191.10 is: 13,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.10 : 21,701.70 = 9,191.10 : x
  2. Step 2: Convert to fraction form
    14,456.10/21,701.70 = 9,191.10/x
  3. Step 3: Cross multiply
    14,456.10x = 21,701.70 × 9,191.10
  4. Step 4: Simplify right side
    14,456.10x = 199,462,494.87
  5. Step 5: Solve for x
    x = 199,462,494.87/14,456.10
  6. Step 6: Final answer
    x = 13,797.81

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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.