Home / 20,323.89-30,463.59-10,463.72

Finding the Fourth Proportional to 20,323.89, 30,463.59 and 10,463.72

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Solution

The fourth proportional to 20,323.89, 30,463.59 and 10,463.72 is: 15,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.89 : 30,463.59 = 10,463.72 : x
  2. Step 2: Convert to fraction form
    20,323.89/30,463.59 = 10,463.72/x
  3. Step 3: Cross multiply
    20,323.89x = 30,463.59 × 10,463.72
  4. Step 4: Simplify right side
    20,323.89x = 318,762,323.64
  5. Step 5: Solve for x
    x = 318,762,323.64/20,323.89
  6. Step 6: Final answer
    x = 15,684.12

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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.