Home / 13,753.56-18,979.80-7,465.92

Finding the Fourth Proportional to 13,753.56, 18,979.80 and 7,465.92

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Solution

The fourth proportional to 13,753.56, 18,979.80 and 7,465.92 is: 10,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.56 : 18,979.80 = 7,465.92 : x
  2. Step 2: Convert to fraction form
    13,753.56/18,979.80 = 7,465.92/x
  3. Step 3: Cross multiply
    13,753.56x = 18,979.80 × 7,465.92
  4. Step 4: Simplify right side
    13,753.56x = 141,701,668.42
  5. Step 5: Solve for x
    x = 141,701,668.42/13,753.56
  6. Step 6: Final answer
    x = 10,302.91

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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.