Home / 10,966.29-16,411.16-8,968.83

Finding the Fourth Proportional to 10,966.29, 16,411.16 and 8,968.83

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Solution

The fourth proportional to 10,966.29, 16,411.16 and 8,968.83 is: 13,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.29 : 16,411.16 = 8,968.83 : x
  2. Step 2: Convert to fraction form
    10,966.29/16,411.16 = 8,968.83/x
  3. Step 3: Cross multiply
    10,966.29x = 16,411.16 × 8,968.83
  4. Step 4: Simplify right side
    10,966.29x = 147,188,777.24
  5. Step 5: Solve for x
    x = 147,188,777.24/10,966.29
  6. Step 6: Final answer
    x = 13,421.94

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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.