Home / 18,708.89-25,818.28-10,325.39

Finding the Fourth Proportional to 18,708.89, 25,818.28 and 10,325.39

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Solution

The fourth proportional to 18,708.89, 25,818.28 and 10,325.39 is: 14,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.89 : 25,818.28 = 10,325.39 : x
  2. Step 2: Convert to fraction form
    18,708.89/25,818.28 = 10,325.39/x
  3. Step 3: Cross multiply
    18,708.89x = 25,818.28 × 10,325.39
  4. Step 4: Simplify right side
    18,708.89x = 266,583,655.22
  5. Step 5: Solve for x
    x = 266,583,655.22/18,708.89
  6. Step 6: Final answer
    x = 14,249.04

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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.