Home / 11,892.48-16,411.57-6,856.67

Finding the Fourth Proportional to 11,892.48, 16,411.57 and 6,856.67

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Solution

The fourth proportional to 11,892.48, 16,411.57 and 6,856.67 is: 9,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.48 : 16,411.57 = 6,856.67 : x
  2. Step 2: Convert to fraction form
    11,892.48/16,411.57 = 6,856.67/x
  3. Step 3: Cross multiply
    11,892.48x = 16,411.57 × 6,856.67
  4. Step 4: Simplify right side
    11,892.48x = 112,528,719.67
  5. Step 5: Solve for x
    x = 112,528,719.67/11,892.48
  6. Step 6: Final answer
    x = 9,462.17

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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.