Home / 9,440.87-13,028.40-5,192.20

Finding the Fourth Proportional to 9,440.87, 13,028.40 and 5,192.20

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Solution

The fourth proportional to 9,440.87, 13,028.40 and 5,192.20 is: 7,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.87 : 13,028.40 = 5,192.20 : x
  2. Step 2: Convert to fraction form
    9,440.87/13,028.40 = 5,192.20/x
  3. Step 3: Cross multiply
    9,440.87x = 13,028.40 × 5,192.20
  4. Step 4: Simplify right side
    9,440.87x = 67,646,074.77
  5. Step 5: Solve for x
    x = 67,646,074.77/9,440.87
  6. Step 6: Final answer
    x = 7,165.24

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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.