Home / 11,784.90-17,645.67-10,290.03

Finding the Fourth Proportional to 11,784.90, 17,645.67 and 10,290.03

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Solution

The fourth proportional to 11,784.90, 17,645.67 and 10,290.03 is: 15,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.90 : 17,645.67 = 10,290.03 : x
  2. Step 2: Convert to fraction form
    11,784.90/17,645.67 = 10,290.03/x
  3. Step 3: Cross multiply
    11,784.90x = 17,645.67 × 10,290.03
  4. Step 4: Simplify right side
    11,784.90x = 181,574,473.67
  5. Step 5: Solve for x
    x = 181,574,473.67/11,784.90
  6. Step 6: Final answer
    x = 15,407.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.