Home / 21,349.56-32,011.08-8,878.32

Finding the Fourth Proportional to 21,349.56, 32,011.08 and 8,878.32

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Solution

The fourth proportional to 21,349.56, 32,011.08 and 8,878.32 is: 13,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.56 : 32,011.08 = 8,878.32 : x
  2. Step 2: Convert to fraction form
    21,349.56/32,011.08 = 8,878.32/x
  3. Step 3: Cross multiply
    21,349.56x = 32,011.08 × 8,878.32
  4. Step 4: Simplify right side
    21,349.56x = 284,204,611.79
  5. Step 5: Solve for x
    x = 284,204,611.79/21,349.56
  6. Step 6: Final answer
    x = 13,311.97

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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.