Home / 14,271.91-21,401.83-4,278.07

Finding the Fourth Proportional to 14,271.91, 21,401.83 and 4,278.07

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Solution

The fourth proportional to 14,271.91, 21,401.83 and 4,278.07 is: 6,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.91 : 21,401.83 = 4,278.07 : x
  2. Step 2: Convert to fraction form
    14,271.91/21,401.83 = 4,278.07/x
  3. Step 3: Cross multiply
    14,271.91x = 21,401.83 × 4,278.07
  4. Step 4: Simplify right side
    14,271.91x = 91,558,526.87
  5. Step 5: Solve for x
    x = 91,558,526.87/14,271.91
  6. Step 6: Final answer
    x = 6,415.30

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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.