Home / 13,437.04-18,540.90-7,468.54

Finding the Fourth Proportional to 13,437.04, 18,540.90 and 7,468.54

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Solution

The fourth proportional to 13,437.04, 18,540.90 and 7,468.54 is: 10,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.04 : 18,540.90 = 7,468.54 : x
  2. Step 2: Convert to fraction form
    13,437.04/18,540.90 = 7,468.54/x
  3. Step 3: Cross multiply
    13,437.04x = 18,540.90 × 7,468.54
  4. Step 4: Simplify right side
    13,437.04x = 138,473,453.29
  5. Step 5: Solve for x
    x = 138,473,453.29/13,437.04
  6. Step 6: Final answer
    x = 10,305.35

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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.