Home / 13,295.92-18,347.68-7,326.62

Finding the Fourth Proportional to 13,295.92, 18,347.68 and 7,326.62

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Solution

The fourth proportional to 13,295.92, 18,347.68 and 7,326.62 is: 10,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.92 : 18,347.68 = 7,326.62 : x
  2. Step 2: Convert to fraction form
    13,295.92/18,347.68 = 7,326.62/x
  3. Step 3: Cross multiply
    13,295.92x = 18,347.68 × 7,326.62
  4. Step 4: Simplify right side
    13,295.92x = 134,426,479.24
  5. Step 5: Solve for x
    x = 134,426,479.24/13,295.92
  6. Step 6: Final answer
    x = 10,110.36

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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.