Home / 12,810.72-19,216.08-3,576.48

Finding the Fourth Proportional to 12,810.72, 19,216.08 and 3,576.48

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Solution

The fourth proportional to 12,810.72, 19,216.08 and 3,576.48 is: 5,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.72 : 19,216.08 = 3,576.48 : x
  2. Step 2: Convert to fraction form
    12,810.72/19,216.08 = 3,576.48/x
  3. Step 3: Cross multiply
    12,810.72x = 19,216.08 × 3,576.48
  4. Step 4: Simplify right side
    12,810.72x = 68,725,925.80
  5. Step 5: Solve for x
    x = 68,725,925.80/12,810.72
  6. Step 6: Final answer
    x = 5,364.72

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Similar ratio
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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.