Home / 13,369.58-18,451.97-7,703.24

Finding the Fourth Proportional to 13,369.58, 18,451.97 and 7,703.24

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Solution

The fourth proportional to 13,369.58, 18,451.97 and 7,703.24 is: 10,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.58 : 18,451.97 = 7,703.24 : x
  2. Step 2: Convert to fraction form
    13,369.58/18,451.97 = 7,703.24/x
  3. Step 3: Cross multiply
    13,369.58x = 18,451.97 × 7,703.24
  4. Step 4: Simplify right side
    13,369.58x = 142,139,851.49
  5. Step 5: Solve for x
    x = 142,139,851.49/13,369.58
  6. Step 6: Final answer
    x = 10,631.59

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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.