Home / 9,612.81-14,421.78-3,039.12

Finding the Fourth Proportional to 9,612.81, 14,421.78 and 3,039.12

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Solution

The fourth proportional to 9,612.81, 14,421.78 and 3,039.12 is: 4,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.81 : 14,421.78 = 3,039.12 : x
  2. Step 2: Convert to fraction form
    9,612.81/14,421.78 = 3,039.12/x
  3. Step 3: Cross multiply
    9,612.81x = 14,421.78 × 3,039.12
  4. Step 4: Simplify right side
    9,612.81x = 43,829,520.03
  5. Step 5: Solve for x
    x = 43,829,520.03/9,612.81
  6. Step 6: Final answer
    x = 4,559.49

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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.