Home / 22,349.35-30,856.53-13,860.49

Finding the Fourth Proportional to 22,349.35, 30,856.53 and 13,860.49

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Solution

The fourth proportional to 22,349.35, 30,856.53 and 13,860.49 is: 19,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.35 : 30,856.53 = 13,860.49 : x
  2. Step 2: Convert to fraction form
    22,349.35/30,856.53 = 13,860.49/x
  3. Step 3: Cross multiply
    22,349.35x = 30,856.53 × 13,860.49
  4. Step 4: Simplify right side
    22,349.35x = 427,686,625.50
  5. Step 5: Solve for x
    x = 427,686,625.50/22,349.35
  6. Step 6: Final answer
    x = 19,136.42

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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.