Home / 14,590.02-20,136.78-8,621.22

Finding the Fourth Proportional to 14,590.02, 20,136.78 and 8,621.22

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Solution

The fourth proportional to 14,590.02, 20,136.78 and 8,621.22 is: 11,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.02 : 20,136.78 = 8,621.22 : x
  2. Step 2: Convert to fraction form
    14,590.02/20,136.78 = 8,621.22/x
  3. Step 3: Cross multiply
    14,590.02x = 20,136.78 × 8,621.22
  4. Step 4: Simplify right side
    14,590.02x = 173,603,610.47
  5. Step 5: Solve for x
    x = 173,603,610.47/14,590.02
  6. Step 6: Final answer
    x = 11,898.79

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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.