Home / 12,692.93-19,038.18-4,371.80

Finding the Fourth Proportional to 12,692.93, 19,038.18 and 4,371.80

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Solution

The fourth proportional to 12,692.93, 19,038.18 and 4,371.80 is: 6,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.93 : 19,038.18 = 4,371.80 : x
  2. Step 2: Convert to fraction form
    12,692.93/19,038.18 = 4,371.80/x
  3. Step 3: Cross multiply
    12,692.93x = 19,038.18 × 4,371.80
  4. Step 4: Simplify right side
    12,692.93x = 83,231,115.32
  5. Step 5: Solve for x
    x = 83,231,115.32/12,692.93
  6. Step 6: Final answer
    x = 6,557.28

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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.