Home / 18,869.04-26,039.79-10,914.03

Finding the Fourth Proportional to 18,869.04, 26,039.79 and 10,914.03

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Solution

The fourth proportional to 18,869.04, 26,039.79 and 10,914.03 is: 15,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.04 : 26,039.79 = 10,914.03 : x
  2. Step 2: Convert to fraction form
    18,869.04/26,039.79 = 10,914.03/x
  3. Step 3: Cross multiply
    18,869.04x = 26,039.79 × 10,914.03
  4. Step 4: Simplify right side
    18,869.04x = 284,199,049.25
  5. Step 5: Solve for x
    x = 284,199,049.25/18,869.04
  6. Step 6: Final answer
    x = 15,061.66

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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.