Home / 15,954.45-22,019.21-9,151.13

Finding the Fourth Proportional to 15,954.45, 22,019.21 and 9,151.13

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Solution

The fourth proportional to 15,954.45, 22,019.21 and 9,151.13 is: 12,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.45 : 22,019.21 = 9,151.13 : x
  2. Step 2: Convert to fraction form
    15,954.45/22,019.21 = 9,151.13/x
  3. Step 3: Cross multiply
    15,954.45x = 22,019.21 × 9,151.13
  4. Step 4: Simplify right side
    15,954.45x = 201,500,559.20
  5. Step 5: Solve for x
    x = 201,500,559.20/15,954.45
  6. Step 6: Final answer
    x = 12,629.74

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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.