Home / 14,150.23-21,240.90-11,956.21

Finding the Fourth Proportional to 14,150.23, 21,240.90 and 11,956.21

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Solution

The fourth proportional to 14,150.23, 21,240.90 and 11,956.21 is: 17,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.23 : 21,240.90 = 11,956.21 : x
  2. Step 2: Convert to fraction form
    14,150.23/21,240.90 = 11,956.21/x
  3. Step 3: Cross multiply
    14,150.23x = 21,240.90 × 11,956.21
  4. Step 4: Simplify right side
    14,150.23x = 253,960,607.89
  5. Step 5: Solve for x
    x = 253,960,607.89/14,150.23
  6. Step 6: Final answer
    x = 17,947.46

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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.