Home / 19,943.74-27,522-10,869.18

Finding the Fourth Proportional to 19,943.74, 27,522 and 10,869.18

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Solution

The fourth proportional to 19,943.74, 27,522 and 10,869.18 is: 14,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.74 : 27,522 = 10,869.18 : x
  2. Step 2: Convert to fraction form
    19,943.74/27,522 = 10,869.18/x
  3. Step 3: Cross multiply
    19,943.74x = 27,522 × 10,869.18
  4. Step 4: Simplify right side
    19,943.74x = 299,141,571.96
  5. Step 5: Solve for x
    x = 299,141,571.96/19,943.74
  6. Step 6: Final answer
    x = 14,999.27

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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.