Home / 12,652.99-18,977.54-4,331.10

Finding the Fourth Proportional to 12,652.99, 18,977.54 and 4,331.10

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Solution

The fourth proportional to 12,652.99, 18,977.54 and 4,331.10 is: 6,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.99 : 18,977.54 = 4,331.10 : x
  2. Step 2: Convert to fraction form
    12,652.99/18,977.54 = 4,331.10/x
  3. Step 3: Cross multiply
    12,652.99x = 18,977.54 × 4,331.10
  4. Step 4: Simplify right side
    12,652.99x = 82,193,506.95
  5. Step 5: Solve for x
    x = 82,193,506.95/12,652.99
  6. Step 6: Final answer
    x = 6,495.98

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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.