Home / 13,090.75-18,066.26-7,348.07

Finding the Fourth Proportional to 13,090.75, 18,066.26 and 7,348.07

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Solution

The fourth proportional to 13,090.75, 18,066.26 and 7,348.07 is: 10,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.75 : 18,066.26 = 7,348.07 : x
  2. Step 2: Convert to fraction form
    13,090.75/18,066.26 = 7,348.07/x
  3. Step 3: Cross multiply
    13,090.75x = 18,066.26 × 7,348.07
  4. Step 4: Simplify right side
    13,090.75x = 132,752,206.65
  5. Step 5: Solve for x
    x = 132,752,206.65/13,090.75
  6. Step 6: Final answer
    x = 10,140.92

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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.