Home / 13,434.92-20,162.87-9,303.88

Finding the Fourth Proportional to 13,434.92, 20,162.87 and 9,303.88

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Solution

The fourth proportional to 13,434.92, 20,162.87 and 9,303.88 is: 13,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.92 : 20,162.87 = 9,303.88 : x
  2. Step 2: Convert to fraction form
    13,434.92/20,162.87 = 9,303.88/x
  3. Step 3: Cross multiply
    13,434.92x = 20,162.87 × 9,303.88
  4. Step 4: Simplify right side
    13,434.92x = 187,592,922.94
  5. Step 5: Solve for x
    x = 187,592,922.94/13,434.92
  6. Step 6: Final answer
    x = 13,963.08

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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.