Home / 20,501.10-30,752.87-6,461.57

Finding the Fourth Proportional to 20,501.10, 30,752.87 and 6,461.57

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Solution

The fourth proportional to 20,501.10, 30,752.87 and 6,461.57 is: 9,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.10 : 30,752.87 = 6,461.57 : x
  2. Step 2: Convert to fraction form
    20,501.10/30,752.87 = 6,461.57/x
  3. Step 3: Cross multiply
    20,501.10x = 30,752.87 × 6,461.57
  4. Step 4: Simplify right side
    20,501.10x = 198,711,866.78
  5. Step 5: Solve for x
    x = 198,711,866.78/20,501.10
  6. Step 6: Final answer
    x = 9,692.74

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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.