Home / 14,276.48-21,409.08-5,505.80

Finding the Fourth Proportional to 14,276.48, 21,409.08 and 5,505.80

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Solution

The fourth proportional to 14,276.48, 21,409.08 and 5,505.80 is: 8,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.48 : 21,409.08 = 5,505.80 : x
  2. Step 2: Convert to fraction form
    14,276.48/21,409.08 = 5,505.80/x
  3. Step 3: Cross multiply
    14,276.48x = 21,409.08 × 5,505.80
  4. Step 4: Simplify right side
    14,276.48x = 117,874,112.66
  5. Step 5: Solve for x
    x = 117,874,112.66/14,276.48
  6. Step 6: Final answer
    x = 8,256.52

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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.