Home / 15,007.62-20,710.28-8,293.54

Finding the Fourth Proportional to 15,007.62, 20,710.28 and 8,293.54

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Solution

The fourth proportional to 15,007.62, 20,710.28 and 8,293.54 is: 11,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.62 : 20,710.28 = 8,293.54 : x
  2. Step 2: Convert to fraction form
    15,007.62/20,710.28 = 8,293.54/x
  3. Step 3: Cross multiply
    15,007.62x = 20,710.28 × 8,293.54
  4. Step 4: Simplify right side
    15,007.62x = 171,761,535.59
  5. Step 5: Solve for x
    x = 171,761,535.59/15,007.62
  6. Step 6: Final answer
    x = 11,444.96

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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.