Home / 20,326.10-30,466.90-10,465.97

Finding the Fourth Proportional to 20,326.10, 30,466.90 and 10,465.97

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Solution

The fourth proportional to 20,326.10, 30,466.90 and 10,465.97 is: 15,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.10 : 30,466.90 = 10,465.97 : x
  2. Step 2: Convert to fraction form
    20,326.10/30,466.90 = 10,465.97/x
  3. Step 3: Cross multiply
    20,326.10x = 30,466.90 × 10,465.97
  4. Step 4: Simplify right side
    20,326.10x = 318,865,522.14
  5. Step 5: Solve for x
    x = 318,865,522.14/20,326.10
  6. Step 6: Final answer
    x = 15,687.50

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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.