Home / 18,765.34-26,018.53-17,877.58

Finding the Fourth Proportional to 18,765.34, 26,018.53 and 17,877.58

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Solution

The fourth proportional to 18,765.34, 26,018.53 and 17,877.58 is: 24,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.34 : 26,018.53 = 17,877.58 : x
  2. Step 2: Convert to fraction form
    18,765.34/26,018.53 = 17,877.58/x
  3. Step 3: Cross multiply
    18,765.34x = 26,018.53 × 17,877.58
  4. Step 4: Simplify right side
    18,765.34x = 465,148,342.38
  5. Step 5: Solve for x
    x = 465,148,342.38/18,765.34
  6. Step 6: Final answer
    x = 24,787.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.