Home / 12,812.63-19,226.24-8,432.15

Finding the Fourth Proportional to 12,812.63, 19,226.24 and 8,432.15

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Solution

The fourth proportional to 12,812.63, 19,226.24 and 8,432.15 is: 12,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.63 : 19,226.24 = 8,432.15 : x
  2. Step 2: Convert to fraction form
    12,812.63/19,226.24 = 8,432.15/x
  3. Step 3: Cross multiply
    12,812.63x = 19,226.24 × 8,432.15
  4. Step 4: Simplify right side
    12,812.63x = 162,118,497.46
  5. Step 5: Solve for x
    x = 162,118,497.46/12,812.63
  6. Step 6: Final answer
    x = 12,653.02

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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.