Home / 21,444.12-32,122.08-10,317.96

Finding the Fourth Proportional to 21,444.12, 32,122.08 and 10,317.96

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Solution

The fourth proportional to 21,444.12, 32,122.08 and 10,317.96 is: 15,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.12 : 32,122.08 = 10,317.96 : x
  2. Step 2: Convert to fraction form
    21,444.12/32,122.08 = 10,317.96/x
  3. Step 3: Cross multiply
    21,444.12x = 32,122.08 × 10,317.96
  4. Step 4: Simplify right side
    21,444.12x = 331,434,336.56
  5. Step 5: Solve for x
    x = 331,434,336.56/21,444.12
  6. Step 6: Final answer
    x = 15,455.72

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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.