Home / 13,588.04-18,751.70-7,922.64

Finding the Fourth Proportional to 13,588.04, 18,751.70 and 7,922.64

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Solution

The fourth proportional to 13,588.04, 18,751.70 and 7,922.64 is: 10,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.04 : 18,751.70 = 7,922.64 : x
  2. Step 2: Convert to fraction form
    13,588.04/18,751.70 = 7,922.64/x
  3. Step 3: Cross multiply
    13,588.04x = 18,751.70 × 7,922.64
  4. Step 4: Simplify right side
    13,588.04x = 148,562,968.49
  5. Step 5: Solve for x
    x = 148,562,968.49/13,588.04
  6. Step 6: Final answer
    x = 10,933.36

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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.