Home / 10,688.76-16,018.56-6,530.22

Finding the Fourth Proportional to 10,688.76, 16,018.56 and 6,530.22

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Solution

The fourth proportional to 10,688.76, 16,018.56 and 6,530.22 is: 9,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.76 : 16,018.56 = 6,530.22 : x
  2. Step 2: Convert to fraction form
    10,688.76/16,018.56 = 6,530.22/x
  3. Step 3: Cross multiply
    10,688.76x = 16,018.56 × 6,530.22
  4. Step 4: Simplify right side
    10,688.76x = 104,604,720.88
  5. Step 5: Solve for x
    x = 104,604,720.88/10,688.76
  6. Step 6: Final answer
    x = 9,786.42

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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.