Home / 18,346.40-27,446.70-15,908.30

Finding the Fourth Proportional to 18,346.40, 27,446.70 and 15,908.30

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Solution

The fourth proportional to 18,346.40, 27,446.70 and 15,908.30 is: 23,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.40 : 27,446.70 = 15,908.30 : x
  2. Step 2: Convert to fraction form
    18,346.40/27,446.70 = 15,908.30/x
  3. Step 3: Cross multiply
    18,346.40x = 27,446.70 × 15,908.30
  4. Step 4: Simplify right side
    18,346.40x = 436,630,337.61
  5. Step 5: Solve for x
    x = 436,630,337.61/18,346.40
  6. Step 6: Final answer
    x = 23,799.24

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1.5x scale

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.