Home / 10,225.08-14,110.92-6,640.92

Finding the Fourth Proportional to 10,225.08, 14,110.92 and 6,640.92

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Solution

The fourth proportional to 10,225.08, 14,110.92 and 6,640.92 is: 9,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.08 : 14,110.92 = 6,640.92 : x
  2. Step 2: Convert to fraction form
    10,225.08/14,110.92 = 6,640.92/x
  3. Step 3: Cross multiply
    10,225.08x = 14,110.92 × 6,640.92
  4. Step 4: Simplify right side
    10,225.08x = 93,709,490.85
  5. Step 5: Solve for x
    x = 93,709,490.85/10,225.08
  6. Step 6: Final answer
    x = 9,164.67

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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.