Home / 13,295.38-18,346.80-7,326.72

Finding the Fourth Proportional to 13,295.38, 18,346.80 and 7,326.72

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Solution

The fourth proportional to 13,295.38, 18,346.80 and 7,326.72 is: 10,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.38 : 18,346.80 = 7,326.72 : x
  2. Step 2: Convert to fraction form
    13,295.38/18,346.80 = 7,326.72/x
  3. Step 3: Cross multiply
    13,295.38x = 18,346.80 × 7,326.72
  4. Step 4: Simplify right side
    13,295.38x = 134,421,866.50
  5. Step 5: Solve for x
    x = 134,421,866.50/13,295.38
  6. Step 6: Final answer
    x = 10,110.42

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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.