Home / 14,158.84-21,237.78-4,297.72

Finding the Fourth Proportional to 14,158.84, 21,237.78 and 4,297.72

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Solution

The fourth proportional to 14,158.84, 21,237.78 and 4,297.72 is: 6,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.84 : 21,237.78 = 4,297.72 : x
  2. Step 2: Convert to fraction form
    14,158.84/21,237.78 = 4,297.72/x
  3. Step 3: Cross multiply
    14,158.84x = 21,237.78 × 4,297.72
  4. Step 4: Simplify right side
    14,158.84x = 91,274,031.86
  5. Step 5: Solve for x
    x = 91,274,031.86/14,158.84
  6. Step 6: Final answer
    x = 6,446.43

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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.