Home / 10,816.38-14,935.05-8,465.22

Finding the Fourth Proportional to 10,816.38, 14,935.05 and 8,465.22

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Solution

The fourth proportional to 10,816.38, 14,935.05 and 8,465.22 is: 11,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.38 : 14,935.05 = 8,465.22 : x
  2. Step 2: Convert to fraction form
    10,816.38/14,935.05 = 8,465.22/x
  3. Step 3: Cross multiply
    10,816.38x = 14,935.05 × 8,465.22
  4. Step 4: Simplify right side
    10,816.38x = 126,428,483.96
  5. Step 5: Solve for x
    x = 126,428,483.96/10,816.38
  6. Step 6: Final answer
    x = 11,688.61

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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.