Home / 20,648.46-28,497.30-12,264.96

Finding the Fourth Proportional to 20,648.46, 28,497.30 and 12,264.96

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Solution

The fourth proportional to 20,648.46, 28,497.30 and 12,264.96 is: 16,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648.46 : 28,497.30 = 12,264.96 : x
  2. Step 2: Convert to fraction form
    20,648.46/28,497.30 = 12,264.96/x
  3. Step 3: Cross multiply
    20,648.46x = 28,497.30 × 12,264.96
  4. Step 4: Simplify right side
    20,648.46x = 349,518,244.61
  5. Step 5: Solve for x
    x = 349,518,244.61/20,648.46
  6. Step 6: Final answer
    x = 16,927.09

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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.