Home / 19,943.67-27,522.45-10,991.50

Finding the Fourth Proportional to 19,943.67, 27,522.45 and 10,991.50

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Solution

The fourth proportional to 19,943.67, 27,522.45 and 10,991.50 is: 15,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.67 : 27,522.45 = 10,991.50 : x
  2. Step 2: Convert to fraction form
    19,943.67/27,522.45 = 10,991.50/x
  3. Step 3: Cross multiply
    19,943.67x = 27,522.45 × 10,991.50
  4. Step 4: Simplify right side
    19,943.67x = 302,513,009.18
  5. Step 5: Solve for x
    x = 302,513,009.18/19,943.67
  6. Step 6: Final answer
    x = 15,168.37

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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.