Home / 13,566.63-18,722.01-7,905.26

Finding the Fourth Proportional to 13,566.63, 18,722.01 and 7,905.26

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Solution

The fourth proportional to 13,566.63, 18,722.01 and 7,905.26 is: 10,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.63 : 18,722.01 = 7,905.26 : x
  2. Step 2: Convert to fraction form
    13,566.63/18,722.01 = 7,905.26/x
  3. Step 3: Cross multiply
    13,566.63x = 18,722.01 × 7,905.26
  4. Step 4: Simplify right side
    13,566.63x = 148,002,450.48
  5. Step 5: Solve for x
    x = 148,002,450.48/13,566.63
  6. Step 6: Final answer
    x = 10,909.30

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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.