Home / 20,461.47-30,692.85-5,670.51

Finding the Fourth Proportional to 20,461.47, 30,692.85 and 5,670.51

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Solution

The fourth proportional to 20,461.47, 30,692.85 and 5,670.51 is: 8,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.47 : 30,692.85 = 5,670.51 : x
  2. Step 2: Convert to fraction form
    20,461.47/30,692.85 = 5,670.51/x
  3. Step 3: Cross multiply
    20,461.47x = 30,692.85 × 5,670.51
  4. Step 4: Simplify right side
    20,461.47x = 174,044,112.85
  5. Step 5: Solve for x
    x = 174,044,112.85/20,461.47
  6. Step 6: Final answer
    x = 8,505.94

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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.