Home / 14,076.90-19,403.79-11,088.00

Finding the Fourth Proportional to 14,076.90, 19,403.79 and 11,088.00

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Solution

The fourth proportional to 14,076.90, 19,403.79 and 11,088.00 is: 15,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.90 : 19,403.79 = 11,088.00 : x
  2. Step 2: Convert to fraction form
    14,076.90/19,403.79 = 11,088.00/x
  3. Step 3: Cross multiply
    14,076.90x = 19,403.79 × 11,088.00
  4. Step 4: Simplify right side
    14,076.90x = 215,149,299.75
  5. Step 5: Solve for x
    x = 215,149,299.75/14,076.90
  6. Step 6: Final answer
    x = 15,283.85

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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.