Home / 30,873.28-46,310.08-11,148.16

Finding the Fourth Proportional to 30,873.28, 46,310.08 and 11,148.16

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Solution

The fourth proportional to 30,873.28, 46,310.08 and 11,148.16 is: 16,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.28 : 46,310.08 = 11,148.16 : x
  2. Step 2: Convert to fraction form
    30,873.28/46,310.08 = 11,148.16/x
  3. Step 3: Cross multiply
    30,873.28x = 46,310.08 × 11,148.16
  4. Step 4: Simplify right side
    30,873.28x = 516,272,181.45
  5. Step 5: Solve for x
    x = 516,272,181.45/30,873.28
  6. Step 6: Final answer
    x = 16,722.30

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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.