Home / 18,740.84-25,818.45-13,065.27

Finding the Fourth Proportional to 18,740.84, 25,818.45 and 13,065.27

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Solution

The fourth proportional to 18,740.84, 25,818.45 and 13,065.27 is: 17,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.84 : 25,818.45 = 13,065.27 : x
  2. Step 2: Convert to fraction form
    18,740.84/25,818.45 = 13,065.27/x
  3. Step 3: Cross multiply
    18,740.84x = 25,818.45 × 13,065.27
  4. Step 4: Simplify right side
    18,740.84x = 337,324,874.42
  5. Step 5: Solve for x
    x = 337,324,874.42/18,740.84
  6. Step 6: Final answer
    x = 17,999.46

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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.