Home / 13,283.58-19,898.79-8,015.70

Finding the Fourth Proportional to 13,283.58, 19,898.79 and 8,015.70

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Solution

The fourth proportional to 13,283.58, 19,898.79 and 8,015.70 is: 12,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.58 : 19,898.79 = 8,015.70 : x
  2. Step 2: Convert to fraction form
    13,283.58/19,898.79 = 8,015.70/x
  3. Step 3: Cross multiply
    13,283.58x = 19,898.79 × 8,015.70
  4. Step 4: Simplify right side
    13,283.58x = 159,502,731.00
  5. Step 5: Solve for x
    x = 159,502,731.00/13,283.58
  6. Step 6: Final answer
    x = 12,007.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.