Home / 14,456.70-21,685.05-11,176.20

Finding the Fourth Proportional to 14,456.70, 21,685.05 and 11,176.20

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Solution

The fourth proportional to 14,456.70, 21,685.05 and 11,176.20 is: 16,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.70 : 21,685.05 = 11,176.20 : x
  2. Step 2: Convert to fraction form
    14,456.70/21,685.05 = 11,176.20/x
  3. Step 3: Cross multiply
    14,456.70x = 21,685.05 × 11,176.20
  4. Step 4: Simplify right side
    14,456.70x = 242,356,455.81
  5. Step 5: Solve for x
    x = 242,356,455.81/14,456.70
  6. Step 6: Final answer
    x = 16,764.30

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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.