Home / 15,337.05-21,167.37-8,623.23

Finding the Fourth Proportional to 15,337.05, 21,167.37 and 8,623.23

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Solution

The fourth proportional to 15,337.05, 21,167.37 and 8,623.23 is: 11,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.05 : 21,167.37 = 8,623.23 : x
  2. Step 2: Convert to fraction form
    15,337.05/21,167.37 = 8,623.23/x
  3. Step 3: Cross multiply
    15,337.05x = 21,167.37 × 8,623.23
  4. Step 4: Simplify right side
    15,337.05x = 182,531,100.01
  5. Step 5: Solve for x
    x = 182,531,100.01/15,337.05
  6. Step 6: Final answer
    x = 11,901.32

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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.