Home / 14,174.39-21,256.10-6,776.87

Finding the Fourth Proportional to 14,174.39, 21,256.10 and 6,776.87

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Solution

The fourth proportional to 14,174.39, 21,256.10 and 6,776.87 is: 10,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.39 : 21,256.10 = 6,776.87 : x
  2. Step 2: Convert to fraction form
    14,174.39/21,256.10 = 6,776.87/x
  3. Step 3: Cross multiply
    14,174.39x = 21,256.10 × 6,776.87
  4. Step 4: Simplify right side
    14,174.39x = 144,049,737.07
  5. Step 5: Solve for x
    x = 144,049,737.07/14,174.39
  6. Step 6: Final answer
    x = 10,162.68

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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.