Home / 10,688.16-16,018.26-5,747.16

Finding the Fourth Proportional to 10,688.16, 16,018.26 and 5,747.16

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Solution

The fourth proportional to 10,688.16, 16,018.26 and 5,747.16 is: 8,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.16 : 16,018.26 = 5,747.16 : x
  2. Step 2: Convert to fraction form
    10,688.16/16,018.26 = 5,747.16/x
  3. Step 3: Cross multiply
    10,688.16x = 16,018.26 × 5,747.16
  4. Step 4: Simplify right side
    10,688.16x = 92,059,557.56
  5. Step 5: Solve for x
    x = 92,059,557.56/10,688.16
  6. Step 6: Final answer
    x = 8,613.23

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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.