Home / 8,110.24-12,165.40-1,954.24

Finding the Fourth Proportional to 8,110.24, 12,165.40 and 1,954.24

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Solution

The fourth proportional to 8,110.24, 12,165.40 and 1,954.24 is: 2,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.24 : 12,165.40 = 1,954.24 : x
  2. Step 2: Convert to fraction form
    8,110.24/12,165.40 = 1,954.24/x
  3. Step 3: Cross multiply
    8,110.24x = 12,165.40 × 1,954.24
  4. Step 4: Simplify right side
    8,110.24x = 23,774,111.30
  5. Step 5: Solve for x
    x = 23,774,111.30/8,110.24
  6. Step 6: Final answer
    x = 2,931.37

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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.