Home / 20,463.26-30,666.87-15,461.51

Finding the Fourth Proportional to 20,463.26, 30,666.87 and 15,461.51

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Solution

The fourth proportional to 20,463.26, 30,666.87 and 15,461.51 is: 23,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.26 : 30,666.87 = 15,461.51 : x
  2. Step 2: Convert to fraction form
    20,463.26/30,666.87 = 15,461.51/x
  3. Step 3: Cross multiply
    20,463.26x = 30,666.87 × 15,461.51
  4. Step 4: Simplify right side
    20,463.26x = 474,155,963.84
  5. Step 5: Solve for x
    x = 474,155,963.84/20,463.26
  6. Step 6: Final answer
    x = 23,171.09

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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.