Home / 17,870.34-26,724.98-13,654.86

Finding the Fourth Proportional to 17,870.34, 26,724.98 and 13,654.86

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Solution

The fourth proportional to 17,870.34, 26,724.98 and 13,654.86 is: 20,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.34 : 26,724.98 = 13,654.86 : x
  2. Step 2: Convert to fraction form
    17,870.34/26,724.98 = 13,654.86/x
  3. Step 3: Cross multiply
    17,870.34x = 26,724.98 × 13,654.86
  4. Step 4: Simplify right side
    17,870.34x = 364,925,860.40
  5. Step 5: Solve for x
    x = 364,925,860.40/17,870.34
  6. Step 6: Final answer
    x = 20,420.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.