Home / 13,948.89-19,251.03-8,285.01

Finding the Fourth Proportional to 13,948.89, 19,251.03 and 8,285.01

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Solution

The fourth proportional to 13,948.89, 19,251.03 and 8,285.01 is: 11,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.89 : 19,251.03 = 8,285.01 : x
  2. Step 2: Convert to fraction form
    13,948.89/19,251.03 = 8,285.01/x
  3. Step 3: Cross multiply
    13,948.89x = 19,251.03 × 8,285.01
  4. Step 4: Simplify right side
    13,948.89x = 159,494,976.06
  5. Step 5: Solve for x
    x = 159,494,976.06/13,948.89
  6. Step 6: Final answer
    x = 11,434.24

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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.