Home / 19,416.48-29,136.80-8,884.80

Finding the Fourth Proportional to 19,416.48, 29,136.80 and 8,884.80

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Solution

The fourth proportional to 19,416.48, 29,136.80 and 8,884.80 is: 13,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.48 : 29,136.80 = 8,884.80 : x
  2. Step 2: Convert to fraction form
    19,416.48/29,136.80 = 8,884.80/x
  3. Step 3: Cross multiply
    19,416.48x = 29,136.80 × 8,884.80
  4. Step 4: Simplify right side
    19,416.48x = 258,874,640.64
  5. Step 5: Solve for x
    x = 258,874,640.64/19,416.48
  6. Step 6: Final answer
    x = 13,332.73

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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.