Home / 18,869.55-26,040.29-10,803.18

Finding the Fourth Proportional to 18,869.55, 26,040.29 and 10,803.18

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Solution

The fourth proportional to 18,869.55, 26,040.29 and 10,803.18 is: 14,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.55 : 26,040.29 = 10,803.18 : x
  2. Step 2: Convert to fraction form
    18,869.55/26,040.29 = 10,803.18/x
  3. Step 3: Cross multiply
    18,869.55x = 26,040.29 × 10,803.18
  4. Step 4: Simplify right side
    18,869.55x = 281,317,940.12
  5. Step 5: Solve for x
    x = 281,317,940.12/18,869.55
  6. Step 6: Final answer
    x = 14,908.57

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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.