Home / 14,091.24-21,136.70-7,848.20

Finding the Fourth Proportional to 14,091.24, 21,136.70 and 7,848.20

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Solution

The fourth proportional to 14,091.24, 21,136.70 and 7,848.20 is: 11,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.24 : 21,136.70 = 7,848.20 : x
  2. Step 2: Convert to fraction form
    14,091.24/21,136.70 = 7,848.20/x
  3. Step 3: Cross multiply
    14,091.24x = 21,136.70 × 7,848.20
  4. Step 4: Simplify right side
    14,091.24x = 165,885,048.94
  5. Step 5: Solve for x
    x = 165,885,048.94/14,091.24
  6. Step 6: Final answer
    x = 11,772.21

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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.