Home / 20,464.07-30,696.10-7,315.64

Finding the Fourth Proportional to 20,464.07, 30,696.10 and 7,315.64

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Solution

The fourth proportional to 20,464.07, 30,696.10 and 7,315.64 is: 10,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.07 : 30,696.10 = 7,315.64 : x
  2. Step 2: Convert to fraction form
    20,464.07/30,696.10 = 7,315.64/x
  3. Step 3: Cross multiply
    20,464.07x = 30,696.10 × 7,315.64
  4. Step 4: Simplify right side
    20,464.07x = 224,561,560.34
  5. Step 5: Solve for x
    x = 224,561,560.34/20,464.07
  6. Step 6: Final answer
    x = 10,973.46

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Similar ratio
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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.