Home / 11,493.06-15,860.91-6,457.18

Finding the Fourth Proportional to 11,493.06, 15,860.91 and 6,457.18

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Solution

The fourth proportional to 11,493.06, 15,860.91 and 6,457.18 is: 8,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.06 : 15,860.91 = 6,457.18 : x
  2. Step 2: Convert to fraction form
    11,493.06/15,860.91 = 6,457.18/x
  3. Step 3: Cross multiply
    11,493.06x = 15,860.91 × 6,457.18
  4. Step 4: Simplify right side
    11,493.06x = 102,416,750.83
  5. Step 5: Solve for x
    x = 102,416,750.83/11,493.06
  6. Step 6: Final answer
    x = 8,911.18

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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.