Home / 21,096.16-29,136.60-14,370.10

Finding the Fourth Proportional to 21,096.16, 29,136.60 and 14,370.10

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Solution

The fourth proportional to 21,096.16, 29,136.60 and 14,370.10 is: 19,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.16 : 29,136.60 = 14,370.10 : x
  2. Step 2: Convert to fraction form
    21,096.16/29,136.60 = 14,370.10/x
  3. Step 3: Cross multiply
    21,096.16x = 29,136.60 × 14,370.10
  4. Step 4: Simplify right side
    21,096.16x = 418,695,855.66
  5. Step 5: Solve for x
    x = 418,695,855.66/21,096.16
  6. Step 6: Final answer
    x = 19,847.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.