Home / 13,764.19-19,000.40-9,294

Finding the Fourth Proportional to 13,764.19, 19,000.40 and 9,294

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Solution

The fourth proportional to 13,764.19, 19,000.40 and 9,294 is: 12,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.19 : 19,000.40 = 9,294 : x
  2. Step 2: Convert to fraction form
    13,764.19/19,000.40 = 9,294/x
  3. Step 3: Cross multiply
    13,764.19x = 19,000.40 × 9,294
  4. Step 4: Simplify right side
    13,764.19x = 176,589,717.60
  5. Step 5: Solve for x
    x = 176,589,717.60/13,764.19
  6. Step 6: Final answer
    x = 12,829.65

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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.