Home / 15,292.06-21,102.33-9,003.22

Finding the Fourth Proportional to 15,292.06, 21,102.33 and 9,003.22

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Solution

The fourth proportional to 15,292.06, 21,102.33 and 9,003.22 is: 12,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.06 : 21,102.33 = 9,003.22 : x
  2. Step 2: Convert to fraction form
    15,292.06/21,102.33 = 9,003.22/x
  3. Step 3: Cross multiply
    15,292.06x = 21,102.33 × 9,003.22
  4. Step 4: Simplify right side
    15,292.06x = 189,988,919.50
  5. Step 5: Solve for x
    x = 189,988,919.50/15,292.06
  6. Step 6: Final answer
    x = 12,424.02

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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.