Home / 12,692.34-19,038.92-4,372.25

Finding the Fourth Proportional to 12,692.34, 19,038.92 and 4,372.25

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Solution

The fourth proportional to 12,692.34, 19,038.92 and 4,372.25 is: 6,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.34 : 19,038.92 = 4,372.25 : x
  2. Step 2: Convert to fraction form
    12,692.34/19,038.92 = 4,372.25/x
  3. Step 3: Cross multiply
    12,692.34x = 19,038.92 × 4,372.25
  4. Step 4: Simplify right side
    12,692.34x = 83,242,800.91
  5. Step 5: Solve for x
    x = 83,242,800.91/12,692.34
  6. Step 6: Final answer
    x = 6,558.51

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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.