Home / 15,637.41-21,579.63-8,467.39

Finding the Fourth Proportional to 15,637.41, 21,579.63 and 8,467.39

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Solution

The fourth proportional to 15,637.41, 21,579.63 and 8,467.39 is: 11,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.41 : 21,579.63 = 8,467.39 : x
  2. Step 2: Convert to fraction form
    15,637.41/21,579.63 = 8,467.39/x
  3. Step 3: Cross multiply
    15,637.41x = 21,579.63 × 8,467.39
  4. Step 4: Simplify right side
    15,637.41x = 182,723,035.37
  5. Step 5: Solve for x
    x = 182,723,035.37/15,637.41
  6. Step 6: Final answer
    x = 11,685.00

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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.