Home / 13,795.52-19,037.64-7,507.76

Finding the Fourth Proportional to 13,795.52, 19,037.64 and 7,507.76

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Solution

The fourth proportional to 13,795.52, 19,037.64 and 7,507.76 is: 10,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.52 : 19,037.64 = 7,507.76 : x
  2. Step 2: Convert to fraction form
    13,795.52/19,037.64 = 7,507.76/x
  3. Step 3: Cross multiply
    13,795.52x = 19,037.64 × 7,507.76
  4. Step 4: Simplify right side
    13,795.52x = 142,930,032.09
  5. Step 5: Solve for x
    x = 142,930,032.09/13,795.52
  6. Step 6: Final answer
    x = 10,360.61

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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.