Home / 12,174.64-18,254.28-5,151.04

Finding the Fourth Proportional to 12,174.64, 18,254.28 and 5,151.04

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Solution

The fourth proportional to 12,174.64, 18,254.28 and 5,151.04 is: 7,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.64 : 18,254.28 = 5,151.04 : x
  2. Step 2: Convert to fraction form
    12,174.64/18,254.28 = 5,151.04/x
  3. Step 3: Cross multiply
    12,174.64x = 18,254.28 × 5,151.04
  4. Step 4: Simplify right side
    12,174.64x = 94,028,526.45
  5. Step 5: Solve for x
    x = 94,028,526.45/12,174.64
  6. Step 6: Final answer
    x = 7,723.31

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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.