Home / 14,018.54-19,350.28-8,355.06

Finding the Fourth Proportional to 14,018.54, 19,350.28 and 8,355.06

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Solution

The fourth proportional to 14,018.54, 19,350.28 and 8,355.06 is: 11,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.54 : 19,350.28 = 8,355.06 : x
  2. Step 2: Convert to fraction form
    14,018.54/19,350.28 = 8,355.06/x
  3. Step 3: Cross multiply
    14,018.54x = 19,350.28 × 8,355.06
  4. Step 4: Simplify right side
    14,018.54x = 161,672,750.42
  5. Step 5: Solve for x
    x = 161,672,750.42/14,018.54
  6. Step 6: Final answer
    x = 11,532.78

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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.