Home / 15,011.84-22,512.36-5,148.47

Finding the Fourth Proportional to 15,011.84, 22,512.36 and 5,148.47

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Solution

The fourth proportional to 15,011.84, 22,512.36 and 5,148.47 is: 7,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.84 : 22,512.36 = 5,148.47 : x
  2. Step 2: Convert to fraction form
    15,011.84/22,512.36 = 5,148.47/x
  3. Step 3: Cross multiply
    15,011.84x = 22,512.36 × 5,148.47
  4. Step 4: Simplify right side
    15,011.84x = 115,904,285.68
  5. Step 5: Solve for x
    x = 115,904,285.68/15,011.84
  6. Step 6: Final answer
    x = 7,720.86

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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.