Home / 13,977.53-19,284.65-8,008.05

Finding the Fourth Proportional to 13,977.53, 19,284.65 and 8,008.05

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Solution

The fourth proportional to 13,977.53, 19,284.65 and 8,008.05 is: 11,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.53 : 19,284.65 = 8,008.05 : x
  2. Step 2: Convert to fraction form
    13,977.53/19,284.65 = 8,008.05/x
  3. Step 3: Cross multiply
    13,977.53x = 19,284.65 × 8,008.05
  4. Step 4: Simplify right side
    13,977.53x = 154,432,441.43
  5. Step 5: Solve for x
    x = 154,432,441.43/13,977.53
  6. Step 6: Final answer
    x = 11,048.62

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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.