Home / 14,190.36-21,288.48-4,330.40

Finding the Fourth Proportional to 14,190.36, 21,288.48 and 4,330.40

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Solution

The fourth proportional to 14,190.36, 21,288.48 and 4,330.40 is: 6,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.36 : 21,288.48 = 4,330.40 : x
  2. Step 2: Convert to fraction form
    14,190.36/21,288.48 = 4,330.40/x
  3. Step 3: Cross multiply
    14,190.36x = 21,288.48 × 4,330.40
  4. Step 4: Simplify right side
    14,190.36x = 92,187,633.79
  5. Step 5: Solve for x
    x = 92,187,633.79/14,190.36
  6. Step 6: Final answer
    x = 6,496.50

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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.