Home / 13,182.01-18,193.22-7,516.77

Finding the Fourth Proportional to 13,182.01, 18,193.22 and 7,516.77

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Solution

The fourth proportional to 13,182.01, 18,193.22 and 7,516.77 is: 10,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.01 : 18,193.22 = 7,516.77 : x
  2. Step 2: Convert to fraction form
    13,182.01/18,193.22 = 7,516.77/x
  3. Step 3: Cross multiply
    13,182.01x = 18,193.22 × 7,516.77
  4. Step 4: Simplify right side
    13,182.01x = 136,754,250.30
  5. Step 5: Solve for x
    x = 136,754,250.30/13,182.01
  6. Step 6: Final answer
    x = 10,374.31

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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.