Home / 10,516.59-15,742.68-6,811.45

Finding the Fourth Proportional to 10,516.59, 15,742.68 and 6,811.45

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Solution

The fourth proportional to 10,516.59, 15,742.68 and 6,811.45 is: 10,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.59 : 15,742.68 = 6,811.45 : x
  2. Step 2: Convert to fraction form
    10,516.59/15,742.68 = 6,811.45/x
  3. Step 3: Cross multiply
    10,516.59x = 15,742.68 × 6,811.45
  4. Step 4: Simplify right side
    10,516.59x = 107,230,477.69
  5. Step 5: Solve for x
    x = 107,230,477.69/10,516.59
  6. Step 6: Final answer
    x = 10,196.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.