Home / 13,959.81-19,265.45-7,992.27

Finding the Fourth Proportional to 13,959.81, 19,265.45 and 7,992.27

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Solution

The fourth proportional to 13,959.81, 19,265.45 and 7,992.27 is: 11,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.81 : 19,265.45 = 7,992.27 : x
  2. Step 2: Convert to fraction form
    13,959.81/19,265.45 = 7,992.27/x
  3. Step 3: Cross multiply
    13,959.81x = 19,265.45 × 7,992.27
  4. Step 4: Simplify right side
    13,959.81x = 153,974,638.11
  5. Step 5: Solve for x
    x = 153,974,638.11/13,959.81
  6. Step 6: Final answer
    x = 11,029.85

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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.