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Finding the Fourth Proportional to 11,300.64, 16,950.12 and 5,750.52

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Solution

The fourth proportional to 11,300.64, 16,950.12 and 5,750.52 is: 8,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.64 : 16,950.12 = 5,750.52 : x
  2. Step 2: Convert to fraction form
    11,300.64/16,950.12 = 5,750.52/x
  3. Step 3: Cross multiply
    11,300.64x = 16,950.12 × 5,750.52
  4. Step 4: Simplify right side
    11,300.64x = 97,472,004.06
  5. Step 5: Solve for x
    x = 97,472,004.06/11,300.64
  6. Step 6: Final answer
    x = 8,625.35

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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.