Home / 16,230.40-22,411.20-10,271.68

Finding the Fourth Proportional to 16,230.40, 22,411.20 and 10,271.68

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Solution

The fourth proportional to 16,230.40, 22,411.20 and 10,271.68 is: 14,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.40 : 22,411.20 = 10,271.68 : x
  2. Step 2: Convert to fraction form
    16,230.40/22,411.20 = 10,271.68/x
  3. Step 3: Cross multiply
    16,230.40x = 22,411.20 × 10,271.68
  4. Step 4: Simplify right side
    16,230.40x = 230,200,674.82
  5. Step 5: Solve for x
    x = 230,200,674.82/16,230.40
  6. Step 6: Final answer
    x = 14,183.30

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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.