Home / 19,941.09-27,519.93-10,988.60

Finding the Fourth Proportional to 19,941.09, 27,519.93 and 10,988.60

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Solution

The fourth proportional to 19,941.09, 27,519.93 and 10,988.60 is: 15,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.09 : 27,519.93 = 10,988.60 : x
  2. Step 2: Convert to fraction form
    19,941.09/27,519.93 = 10,988.60/x
  3. Step 3: Cross multiply
    19,941.09x = 27,519.93 × 10,988.60
  4. Step 4: Simplify right side
    19,941.09x = 302,405,502.80
  5. Step 5: Solve for x
    x = 302,405,502.80/19,941.09
  6. Step 6: Final answer
    x = 15,164.94

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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.