Home / 14,190.99-21,287.59-4,330.35

Finding the Fourth Proportional to 14,190.99, 21,287.59 and 4,330.35

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Solution

The fourth proportional to 14,190.99, 21,287.59 and 4,330.35 is: 6,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.99 : 21,287.59 = 4,330.35 : x
  2. Step 2: Convert to fraction form
    14,190.99/21,287.59 = 4,330.35/x
  3. Step 3: Cross multiply
    14,190.99x = 21,287.59 × 4,330.35
  4. Step 4: Simplify right side
    14,190.99x = 92,182,715.36
  5. Step 5: Solve for x
    x = 92,182,715.36/14,190.99
  6. Step 6: Final answer
    x = 6,495.86

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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.