Home / 14,005.60-19,326.72-8,036.80

Finding the Fourth Proportional to 14,005.60, 19,326.72 and 8,036.80

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Solution

The fourth proportional to 14,005.60, 19,326.72 and 8,036.80 is: 11,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.60 : 19,326.72 = 8,036.80 : x
  2. Step 2: Convert to fraction form
    14,005.60/19,326.72 = 8,036.80/x
  3. Step 3: Cross multiply
    14,005.60x = 19,326.72 × 8,036.80
  4. Step 4: Simplify right side
    14,005.60x = 155,324,983.30
  5. Step 5: Solve for x
    x = 155,324,983.30/14,005.60
  6. Step 6: Final answer
    x = 11,090.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.