Home / 14,730.21-20,330.33-9,424.85

Finding the Fourth Proportional to 14,730.21, 20,330.33 and 9,424.85

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Solution

The fourth proportional to 14,730.21, 20,330.33 and 9,424.85 is: 13,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.21 : 20,330.33 = 9,424.85 : x
  2. Step 2: Convert to fraction form
    14,730.21/20,330.33 = 9,424.85/x
  3. Step 3: Cross multiply
    14,730.21x = 20,330.33 × 9,424.85
  4. Step 4: Simplify right side
    14,730.21x = 191,610,161.92
  5. Step 5: Solve for x
    x = 191,610,161.92/14,730.21
  6. Step 6: Final answer
    x = 13,007.97

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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.