Home / 15,637.64-21,584.50-8,926.96

Finding the Fourth Proportional to 15,637.64, 21,584.50 and 8,926.96

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Solution

The fourth proportional to 15,637.64, 21,584.50 and 8,926.96 is: 12,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.64 : 21,584.50 = 8,926.96 : x
  2. Step 2: Convert to fraction form
    15,637.64/21,584.50 = 8,926.96/x
  3. Step 3: Cross multiply
    15,637.64x = 21,584.50 × 8,926.96
  4. Step 4: Simplify right side
    15,637.64x = 192,683,968.12
  5. Step 5: Solve for x
    x = 192,683,968.12/15,637.64
  6. Step 6: Final answer
    x = 12,321.81

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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.