Home / 19,941.66-27,519.48-10,989.96

Finding the Fourth Proportional to 19,941.66, 27,519.48 and 10,989.96

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Solution

The fourth proportional to 19,941.66, 27,519.48 and 10,989.96 is: 15,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.66 : 27,519.48 = 10,989.96 : x
  2. Step 2: Convert to fraction form
    19,941.66/27,519.48 = 10,989.96/x
  3. Step 3: Cross multiply
    19,941.66x = 27,519.48 × 10,989.96
  4. Step 4: Simplify right side
    19,941.66x = 302,437,984.42
  5. Step 5: Solve for x
    x = 302,437,984.42/19,941.66
  6. Step 6: Final answer
    x = 15,166.14

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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.