Home / 10,933.82-15,087.75-6,457.76

Finding the Fourth Proportional to 10,933.82, 15,087.75 and 6,457.76

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Solution

The fourth proportional to 10,933.82, 15,087.75 and 6,457.76 is: 8,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.82 : 15,087.75 = 6,457.76 : x
  2. Step 2: Convert to fraction form
    10,933.82/15,087.75 = 6,457.76/x
  3. Step 3: Cross multiply
    10,933.82x = 15,087.75 × 6,457.76
  4. Step 4: Simplify right side
    10,933.82x = 97,433,068.44
  5. Step 5: Solve for x
    x = 97,433,068.44/10,933.82
  6. Step 6: Final answer
    x = 8,911.16

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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.