Home / 14,817.80-22,226.70-10,939.40

Finding the Fourth Proportional to 14,817.80, 22,226.70 and 10,939.40

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Solution

The fourth proportional to 14,817.80, 22,226.70 and 10,939.40 is: 16,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.80 : 22,226.70 = 10,939.40 : x
  2. Step 2: Convert to fraction form
    14,817.80/22,226.70 = 10,939.40/x
  3. Step 3: Cross multiply
    14,817.80x = 22,226.70 × 10,939.40
  4. Step 4: Simplify right side
    14,817.80x = 243,146,761.98
  5. Step 5: Solve for x
    x = 243,146,761.98/14,817.80
  6. Step 6: Final answer
    x = 16,409.10

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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.