Home / 17,919.90-24,700.68-14,136.66

Finding the Fourth Proportional to 17,919.90, 24,700.68 and 14,136.66

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Solution

The fourth proportional to 17,919.90, 24,700.68 and 14,136.66 is: 19,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.90 : 24,700.68 = 14,136.66 : x
  2. Step 2: Convert to fraction form
    17,919.90/24,700.68 = 14,136.66/x
  3. Step 3: Cross multiply
    17,919.90x = 24,700.68 × 14,136.66
  4. Step 4: Simplify right side
    17,919.90x = 349,185,114.93
  5. Step 5: Solve for x
    x = 349,185,114.93/17,919.90
  6. Step 6: Final answer
    x = 19,485.89

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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.