Home / 14,290.40-19,711.27-11,301.50

Finding the Fourth Proportional to 14,290.40, 19,711.27 and 11,301.50

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Solution

The fourth proportional to 14,290.40, 19,711.27 and 11,301.50 is: 15,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.40 : 19,711.27 = 11,301.50 : x
  2. Step 2: Convert to fraction form
    14,290.40/19,711.27 = 11,301.50/x
  3. Step 3: Cross multiply
    14,290.40x = 19,711.27 × 11,301.50
  4. Step 4: Simplify right side
    14,290.40x = 222,766,917.91
  5. Step 5: Solve for x
    x = 222,766,917.91/14,290.40
  6. Step 6: Final answer
    x = 15,588.57

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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.