Home / 8,011.70-12,015.52-2,388.07

Finding the Fourth Proportional to 8,011.70, 12,015.52 and 2,388.07

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Solution

The fourth proportional to 8,011.70, 12,015.52 and 2,388.07 is: 3,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.70 : 12,015.52 = 2,388.07 : x
  2. Step 2: Convert to fraction form
    8,011.70/12,015.52 = 2,388.07/x
  3. Step 3: Cross multiply
    8,011.70x = 12,015.52 × 2,388.07
  4. Step 4: Simplify right side
    8,011.70x = 28,693,866.84
  5. Step 5: Solve for x
    x = 28,693,866.84/8,011.70
  6. Step 6: Final answer
    x = 3,581.50

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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.