Home / 14,675.05-20,250.23-8,302.22

Finding the Fourth Proportional to 14,675.05, 20,250.23 and 8,302.22

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Solution

The fourth proportional to 14,675.05, 20,250.23 and 8,302.22 is: 11,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.05 : 20,250.23 = 8,302.22 : x
  2. Step 2: Convert to fraction form
    14,675.05/20,250.23 = 8,302.22/x
  3. Step 3: Cross multiply
    14,675.05x = 20,250.23 × 8,302.22
  4. Step 4: Simplify right side
    14,675.05x = 168,121,864.51
  5. Step 5: Solve for x
    x = 168,121,864.51/14,675.05
  6. Step 6: Final answer
    x = 11,456.31

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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.