Home / 20,154.23-30,224.10-7,670.93

Finding the Fourth Proportional to 20,154.23, 30,224.10 and 7,670.93

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Solution

The fourth proportional to 20,154.23, 30,224.10 and 7,670.93 is: 11,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.23 : 30,224.10 = 7,670.93 : x
  2. Step 2: Convert to fraction form
    20,154.23/30,224.10 = 7,670.93/x
  3. Step 3: Cross multiply
    20,154.23x = 30,224.10 × 7,670.93
  4. Step 4: Simplify right side
    20,154.23x = 231,846,955.41
  5. Step 5: Solve for x
    x = 231,846,955.41/20,154.23
  6. Step 6: Final answer
    x = 11,503.64

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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.