Home / 13,436.66-18,541.14-7,468.58

Finding the Fourth Proportional to 13,436.66, 18,541.14 and 7,468.58

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Solution

The fourth proportional to 13,436.66, 18,541.14 and 7,468.58 is: 10,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.66 : 18,541.14 = 7,468.58 : x
  2. Step 2: Convert to fraction form
    13,436.66/18,541.14 = 7,468.58/x
  3. Step 3: Cross multiply
    13,436.66x = 18,541.14 × 7,468.58
  4. Step 4: Simplify right side
    13,436.66x = 138,475,987.38
  5. Step 5: Solve for x
    x = 138,475,987.38/13,436.66
  6. Step 6: Final answer
    x = 10,305.83

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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.