Home / 14,136.64-19,507.12-8,170.24

Finding the Fourth Proportional to 14,136.64, 19,507.12 and 8,170.24

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Solution

The fourth proportional to 14,136.64, 19,507.12 and 8,170.24 is: 11,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.64 : 19,507.12 = 8,170.24 : x
  2. Step 2: Convert to fraction form
    14,136.64/19,507.12 = 8,170.24/x
  3. Step 3: Cross multiply
    14,136.64x = 19,507.12 × 8,170.24
  4. Step 4: Simplify right side
    14,136.64x = 159,377,852.11
  5. Step 5: Solve for x
    x = 159,377,852.11/14,136.64
  6. Step 6: Final answer
    x = 11,274.10

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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.