Home / 12,838.84-17,717.60-7,533.68

Finding the Fourth Proportional to 12,838.84, 17,717.60 and 7,533.68

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Solution

The fourth proportional to 12,838.84, 17,717.60 and 7,533.68 is: 10,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838.84 : 17,717.60 = 7,533.68 : x
  2. Step 2: Convert to fraction form
    12,838.84/17,717.60 = 7,533.68/x
  3. Step 3: Cross multiply
    12,838.84x = 17,717.60 × 7,533.68
  4. Step 4: Simplify right side
    12,838.84x = 133,478,659.01
  5. Step 5: Solve for x
    x = 133,478,659.01/12,838.84
  6. Step 6: Final answer
    x = 10,396.48

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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.