Home / 14,105.24-19,465.18-8,136.90

Finding the Fourth Proportional to 14,105.24, 19,465.18 and 8,136.90

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Solution

The fourth proportional to 14,105.24, 19,465.18 and 8,136.90 is: 11,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.24 : 19,465.18 = 8,136.90 : x
  2. Step 2: Convert to fraction form
    14,105.24/19,465.18 = 8,136.90/x
  3. Step 3: Cross multiply
    14,105.24x = 19,465.18 × 8,136.90
  4. Step 4: Simplify right side
    14,105.24x = 158,386,223.14
  5. Step 5: Solve for x
    x = 158,386,223.14/14,105.24
  6. Step 6: Final answer
    x = 11,228.89

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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.