Home / 30,184.79-45,277.19-11,464.78

Finding the Fourth Proportional to 30,184.79, 45,277.19 and 11,464.78

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Solution

The fourth proportional to 30,184.79, 45,277.19 and 11,464.78 is: 17,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.79 : 45,277.19 = 11,464.78 : x
  2. Step 2: Convert to fraction form
    30,184.79/45,277.19 = 11,464.78/x
  3. Step 3: Cross multiply
    30,184.79x = 45,277.19 × 11,464.78
  4. Step 4: Simplify right side
    30,184.79x = 519,093,192.16
  5. Step 5: Solve for x
    x = 519,093,192.16/30,184.79
  6. Step 6: Final answer
    x = 17,197.18

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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.