Home / 19,777.74-29,666.53-8,090.95

Finding the Fourth Proportional to 19,777.74, 29,666.53 and 8,090.95

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Solution

The fourth proportional to 19,777.74, 29,666.53 and 8,090.95 is: 12,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.74 : 29,666.53 = 8,090.95 : x
  2. Step 2: Convert to fraction form
    19,777.74/29,666.53 = 8,090.95/x
  3. Step 3: Cross multiply
    19,777.74x = 29,666.53 × 8,090.95
  4. Step 4: Simplify right side
    19,777.74x = 240,030,410.90
  5. Step 5: Solve for x
    x = 240,030,410.90/19,777.74
  6. Step 6: Final answer
    x = 12,136.39

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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.