Home / 14,102.81-21,154.46-5,341.85

Finding the Fourth Proportional to 14,102.81, 21,154.46 and 5,341.85

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Solution

The fourth proportional to 14,102.81, 21,154.46 and 5,341.85 is: 8,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.81 : 21,154.46 = 5,341.85 : x
  2. Step 2: Convert to fraction form
    14,102.81/21,154.46 = 5,341.85/x
  3. Step 3: Cross multiply
    14,102.81x = 21,154.46 × 5,341.85
  4. Step 4: Simplify right side
    14,102.81x = 113,003,925.44
  5. Step 5: Solve for x
    x = 113,003,925.44/14,102.81
  6. Step 6: Final answer
    x = 8,012.87

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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.