Home / 13,437.63-18,542.52-7,468.34

Finding the Fourth Proportional to 13,437.63, 18,542.52 and 7,468.34

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Solution

The fourth proportional to 13,437.63, 18,542.52 and 7,468.34 is: 10,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.63 : 18,542.52 = 7,468.34 : x
  2. Step 2: Convert to fraction form
    13,437.63/18,542.52 = 7,468.34/x
  3. Step 3: Cross multiply
    13,437.63x = 18,542.52 × 7,468.34
  4. Step 4: Simplify right side
    13,437.63x = 138,481,751.10
  5. Step 5: Solve for x
    x = 138,481,751.10/13,437.63
  6. Step 6: Final answer
    x = 10,305.52

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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.