Home / 14,315.64-21,445.62-8,056.56

Finding the Fourth Proportional to 14,315.64, 21,445.62 and 8,056.56

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Solution

The fourth proportional to 14,315.64, 21,445.62 and 8,056.56 is: 12,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.64 : 21,445.62 = 8,056.56 : x
  2. Step 2: Convert to fraction form
    14,315.64/21,445.62 = 8,056.56/x
  3. Step 3: Cross multiply
    14,315.64x = 21,445.62 × 8,056.56
  4. Step 4: Simplify right side
    14,315.64x = 172,777,924.27
  5. Step 5: Solve for x
    x = 172,777,924.27/14,315.64
  6. Step 6: Final answer
    x = 12,069.17

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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.