Home / 14,234.96-21,356.28-12,864.08

Finding the Fourth Proportional to 14,234.96, 21,356.28 and 12,864.08

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Solution

The fourth proportional to 14,234.96, 21,356.28 and 12,864.08 is: 19,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.96 : 21,356.28 = 12,864.08 : x
  2. Step 2: Convert to fraction form
    14,234.96/21,356.28 = 12,864.08/x
  3. Step 3: Cross multiply
    14,234.96x = 21,356.28 × 12,864.08
  4. Step 4: Simplify right side
    14,234.96x = 274,728,894.42
  5. Step 5: Solve for x
    x = 274,728,894.42/14,234.96
  6. Step 6: Final answer
    x = 19,299.59

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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.