Home / 14,148.78-21,226.46-4,153.13

Finding the Fourth Proportional to 14,148.78, 21,226.46 and 4,153.13

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Solution

The fourth proportional to 14,148.78, 21,226.46 and 4,153.13 is: 6,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.78 : 21,226.46 = 4,153.13 : x
  2. Step 2: Convert to fraction form
    14,148.78/21,226.46 = 4,153.13/x
  3. Step 3: Cross multiply
    14,148.78x = 21,226.46 × 4,153.13
  4. Step 4: Simplify right side
    14,148.78x = 88,156,247.82
  5. Step 5: Solve for x
    x = 88,156,247.82/14,148.78
  6. Step 6: Final answer
    x = 6,230.66

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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.