Home / 12,536.47-17,299.78-7,497.77

Finding the Fourth Proportional to 12,536.47, 17,299.78 and 7,497.77

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Solution

The fourth proportional to 12,536.47, 17,299.78 and 7,497.77 is: 10,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.47 : 17,299.78 = 7,497.77 : x
  2. Step 2: Convert to fraction form
    12,536.47/17,299.78 = 7,497.77/x
  3. Step 3: Cross multiply
    12,536.47x = 17,299.78 × 7,497.77
  4. Step 4: Simplify right side
    12,536.47x = 129,709,666.25
  5. Step 5: Solve for x
    x = 129,709,666.25/12,536.47
  6. Step 6: Final answer
    x = 10,346.59

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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.