Home / 14,088.40-21,133.68-4,226.96

Finding the Fourth Proportional to 14,088.40, 21,133.68 and 4,226.96

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Solution

The fourth proportional to 14,088.40, 21,133.68 and 4,226.96 is: 6,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.40 : 21,133.68 = 4,226.96 : x
  2. Step 2: Convert to fraction form
    14,088.40/21,133.68 = 4,226.96/x
  3. Step 3: Cross multiply
    14,088.40x = 21,133.68 × 4,226.96
  4. Step 4: Simplify right side
    14,088.40x = 89,331,220.01
  5. Step 5: Solve for x
    x = 89,331,220.01/14,088.40
  6. Step 6: Final answer
    x = 6,340.76

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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.