Home / 10,210.91-14,090.69-6,238.67

Finding the Fourth Proportional to 10,210.91, 14,090.69 and 6,238.67

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Solution

The fourth proportional to 10,210.91, 14,090.69 and 6,238.67 is: 8,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.91 : 14,090.69 = 6,238.67 : x
  2. Step 2: Convert to fraction form
    10,210.91/14,090.69 = 6,238.67/x
  3. Step 3: Cross multiply
    10,210.91x = 14,090.69 × 6,238.67
  4. Step 4: Simplify right side
    10,210.91x = 87,907,110.13
  5. Step 5: Solve for x
    x = 87,907,110.13/10,210.91
  6. Step 6: Final answer
    x = 8,609.14

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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.