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Finding the Fourth Proportional to 12,033.28, 16,601.52 and 7,254.28

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Solution

The fourth proportional to 12,033.28, 16,601.52 and 7,254.28 is: 10,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.28 : 16,601.52 = 7,254.28 : x
  2. Step 2: Convert to fraction form
    12,033.28/16,601.52 = 7,254.28/x
  3. Step 3: Cross multiply
    12,033.28x = 16,601.52 × 7,254.28
  4. Step 4: Simplify right side
    12,033.28x = 120,432,074.51
  5. Step 5: Solve for x
    x = 120,432,074.51/12,033.28
  6. Step 6: Final answer
    x = 10,008.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.