Home / 13,903.78-19,187.24-7,530.44

Finding the Fourth Proportional to 13,903.78, 19,187.24 and 7,530.44

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Solution

The fourth proportional to 13,903.78, 19,187.24 and 7,530.44 is: 10,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.78 : 19,187.24 = 7,530.44 : x
  2. Step 2: Convert to fraction form
    13,903.78/19,187.24 = 7,530.44/x
  3. Step 3: Cross multiply
    13,903.78x = 19,187.24 × 7,530.44
  4. Step 4: Simplify right side
    13,903.78x = 144,488,359.59
  5. Step 5: Solve for x
    x = 144,488,359.59/13,903.78
  6. Step 6: Final answer
    x = 10,392.02

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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.