Home / 18,341.52-25,311.90-10,786.50

Finding the Fourth Proportional to 18,341.52, 25,311.90 and 10,786.50

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Solution

The fourth proportional to 18,341.52, 25,311.90 and 10,786.50 is: 14,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.52 : 25,311.90 = 10,786.50 : x
  2. Step 2: Convert to fraction form
    18,341.52/25,311.90 = 10,786.50/x
  3. Step 3: Cross multiply
    18,341.52x = 25,311.90 × 10,786.50
  4. Step 4: Simplify right side
    18,341.52x = 273,026,809.35
  5. Step 5: Solve for x
    x = 273,026,809.35/18,341.52
  6. Step 6: Final answer
    x = 14,885.72

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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.