Home / 10,626.72-14,675.76-7,969.92

Finding the Fourth Proportional to 10,626.72, 14,675.76 and 7,969.92

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Solution

The fourth proportional to 10,626.72, 14,675.76 and 7,969.92 is: 11,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.72 : 14,675.76 = 7,969.92 : x
  2. Step 2: Convert to fraction form
    10,626.72/14,675.76 = 7,969.92/x
  3. Step 3: Cross multiply
    10,626.72x = 14,675.76 × 7,969.92
  4. Step 4: Simplify right side
    10,626.72x = 116,964,633.14
  5. Step 5: Solve for x
    x = 116,964,633.14/10,626.72
  6. Step 6: Final answer
    x = 11,006.65

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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.