Home / 13,951.79-19,250.47-8,288.45

Finding the Fourth Proportional to 13,951.79, 19,250.47 and 8,288.45

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Solution

The fourth proportional to 13,951.79, 19,250.47 and 8,288.45 is: 11,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.79 : 19,250.47 = 8,288.45 : x
  2. Step 2: Convert to fraction form
    13,951.79/19,250.47 = 8,288.45/x
  3. Step 3: Cross multiply
    13,951.79x = 19,250.47 × 8,288.45
  4. Step 4: Simplify right side
    13,951.79x = 159,556,558.07
  5. Step 5: Solve for x
    x = 159,556,558.07/13,951.79
  6. Step 6: Final answer
    x = 11,436.28

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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.